Vehicle (English Wikipedia)

Wild, Thomas W.; Davis, John M. (2023). "12.8.4. Thermal Efficiency". Aircraft Powerplants: Powerplant Certification (10th ed.). McGraw Hill. ISBN 9781264564460.

acea.be (Global: low place; English: low place)

"ACEA.be" (PDF). ACEA.be. Archived from the original (PDF) on 21 February 2012. Retrieved 8 January 2013.

aerospaceweb.org (Global: low place; English: low place)

"Aircraft Museum – Tu-124". Aerospaceweb.org. Retrieved 7 August 2011.

ansi.org (Global: low place; English: low place)

webstore.ansi.org

ISO 3833:1977 Road vehicles – Types – Terms and definitions Webstore.anis.org

archeoforum.nl (Global: low place; English: low place)

"Oudste bootje ter wereld kon werkelijk varen". Leeuwarder Courant (in Dutch). ANP. 12 April 2001. Retrieved 4 December 2011.
Beuker, J.R. and M.J.L.Th. Niekus (1997). "De Kano Van Pesse - De Bijl Erin". De Nieuwe Drentse Volksalmanak (in Dutch). Retrieved 4 December 2011.

archive.org (Global: 6^th place; English: 6^th place)

Halsey, William D., ed. (1979). Macmillan Contemporary Dictionary. New York; London: Macmillan Publishing; Collier Macmillan Publishers. p. 1106. ISBN 0-02-080780-5 – via Internet Archive.

avweb.com (Global: 4,610^th place; English: 2,458^th place)

Niles, Russ (4 October 2007). "Cessna to Offer Diesel Skyhawk". Archived from the original on 5 March 2012. Retrieved 5 October 2007.

b4-network.com (Global: low place; English: low place)

"200 AD – MA JUN". B4 Network. Archived from the original on 26 December 2011. Retrieved 21 July 2011.

boeing.com (Global: 1,664^th place; English: 1,611^th place)

"NASA – Innovative Engines". Boeing, Xenon Ion Propulsion Center. Archived from the original on 12 July 2011. Retrieved 22 July 2011.

books.google.com (Global: 3^rd place; English: 3^rd place)

Koeppel, Dan (January–February 2007), "Flight of the Pigeon", Bicycling, vol. 48, no. 1, Rodale, Inc., pp. 60–66, ISSN 0006-2073, retrieved 28 January 2012
Newson, Alex (2013), Fifty Bicycles That Changed the World: Design Museum Fifty, Octopus Books, p. 40, ISBN 9781840916508
"That's 2.5 billion cc!", American Motorcyclist, Westerville, Ohio: American Motorcyclist Association, p. 24, May 2006, ISSN 0277-9358, retrieved 31 October 2010

britannica.com (Global: 37^th place; English: 64^th place)

"Nicolas-Joseph Cugnot | Facts, Invention, & Steam Car".

centennialofflight.gov (Global: low place; English: low place)

"Early Helicopter Technology". U.S. Centennial of Flight Commission. Archived from the original on 21 August 2011. Retrieved 23 July 2011.

coaleducation.org (Global: low place; English: low place)

"Coal and the environment" (PDF). Kentucky Coal Education. Retrieved 22 July 2011.

darkroastedblend.com (Global: low place; English: low place)

"The Biggest (and Hungriest) Machines". Dark Roasted Blend. Retrieved 23 July 2011.{{cite web}}: CS1 maint: url-status (link)
"Cars with Propellers: an Illustrated Overview". Dark Roasted Blend. Archived from the original on 6 March 2023. Retrieved 23 July 2011.

die-tagespost.de (Global: low place; English: low place)

Kriechbaum, Reinhard (15 May 2004). "Die große Reise auf den Berg". der Tagespost (in German). Retrieved 22 April 2009.{{cite news}}: CS1 maint: url-status (link)

direct.gov.uk (Global: low place; English: 8,019^th place)

"The Individual Vehicle Approval scheme". Directgov. Retrieved 22 July 2011.

discovery.com (Global: 2,064^th place; English: 1,414^th place)

dsc.discovery.com

"DSC.discovery.com". DSC.discovery.com. 26 June 2009. Archived from the original on 15 October 2012. Retrieved 8 January 2013.

doi.org (Global: 2^nd place; English: 2^nd place)

Lawler, Andrew (7 June 2002). "Report of Oldest Boat Hints at Early Trade Routes". Science. 296 (5574): 1791–1792. doi:10.1126/science.296.5574.1791. PMID 12052936. S2CID 36178755. Retrieved 5 May 2008.

engineeringtoolbox.com (Global: low place; English: low place)

NEMA Design B electric motor standard, cited in Electrical Motor Efficiency Retrieved 22 July 2011.

europa.eu (Global: 62^nd place; English: 100^th place)

europa.eu

"Scadplus: Technical Harmonisation For Motor Vehicles". Europa.eu. Archived from the original on 15 October 2012. Retrieved 8 January 2013.

eur-lex.europa.eu

"Document 31970L0156 - Council Directive 70/156/EEC". eur-lex.europa.eu. Retrieved 17 January 2022.

everything2.com (Global: 9,779^th place; English: 8,106^th place)

ring_wraith. "How to land a jet plane on an aircraft carrier". Everything2. Retrieved 7 August 2011.

faa.gov (Global: 985^th place; English: 575^th place)

faa.gov

"Airworthiness Certificates Overview". Federal Aviation Administration. Archived from the original on 4 March 2011. Retrieved 22 July 2011.
"Experimental Category". Federal Aviation Administration. Archived from the original on 4 January 2011. Retrieved 22 July 2011.
"Technical Standard Orders (TSO)". Federal Aviation Administration. Retrieved 22 July 2011.

rgl.faa.gov

"FAR Part 91 Sec. 91.319". Federal Aviation Administration. Archived from the original on 28 April 2021. Retrieved 22 July 2011.
"Airworthiness Certification of Aircraft and Related Products" (PDF). Federal Aviation Administration. 18 April 2007. Section 9, subsection 153. Archived from the original (PDF) on 19 August 2021. Retrieved 22 July 2011.

flightglobal.com (Global: 222^nd place; English: 157^th place)

Max Kingsley-Jones (13 March 2018). "How Boeing built 10,000 737s". Flightglobal.

fourmilab.ch (Global: low place; English: low place)

John Walker. "Vacuum Propellers". Fourmilab Switzerland. Retrieved 23 July 2011.

foxbusiness.com (Global: 4,024^th place; English: 2,299^th place)

24/7 Wall St. (26 January 2012), The Best-Selling Cars of All Time, Fox Business, archived from the original on 1 January 2016, retrieved 13 June 2017

free.fr (Global: 283^rd place; English: 705^th place)

aerostories.free.fr

"the heart of the SR-71 "Blackbird" : the mighty J-58 engine". aérostories. Retrieved 22 July 2011.

funimag.com (Global: low place; English: low place)

"Der Reiszug – Part 1 – Presentation". Funimag. Retrieved 22 April 2009.

gov.on.ca (Global: 3,455^th place; English: 1,821^st place)

mto.gov.on.ca

"Licensing a Vehicle in Ontario". Ministry of Transportation of Ontario. Retrieved 22 July 2011.

gov.si (Global: 3,102^nd place; English: 4,816^th place)

ukom.gov.si

Alexander Gasser (March 2003). "World's Oldest Wheel Found in Slovenia". Government Communication Office of the Republic of Slovenia. Archived from the original on 14 July 2012. Retrieved 23 July 2011.

historic-uk.com (Global: 8,365^th place; English: 6,722^nd place)

Johnson, Ben (9 July 2015). "The Stagecoach". Historic UK. Retrieved 7 April 2023.

howstuffworks.com (Global: 1,354^th place; English: 958^th place)

auto.howstuffworks.com

"The Lifecycle of an Electric Car Battery". HowStuffWorks. 18 August 2008. Retrieved 23 July 2011.
"Advantages and Disadvantages of EVs". HowStuffWorks. 18 August 2008. Retrieved 23 July 2011.
"How Regenerative Braking Works". HowStuffWorks. 23 January 2009. Retrieved 23 July 2011.
Nice, Karim (19 September 2000). "HowStuffWorks – How Tires Work". Auto.howstuffworks.com. Retrieved 8 January 2013.

latimes.com (Global: 32^nd place; English: 21^st place)

"Radar Outage Cited in KAL Tragedy". Los Angeles Times. 2 January 1993. Archived from the original on 11 August 2020. Retrieved 10 June 2025.

liftlaws.com (Global: low place; English: low place)

US state law, cited in Detailed Vehicle Equipment Laws by State Retrieved 22 July 2011

lightcrafttechnologies.com (Global: low place; English: low place)

"LTI-20 Flight Dynamics". Lightcraft Technologies International. Archived from the original on 13 March 2012. Retrieved 22 July 2011. The ion thrusters use electromagnetic fields to vector the engine exhaust

mapawatt.com (Global: low place; English: low place)

blog.mapawatt.com

"Bicycle Power – How many Watts can you produce?". Mapawatt. Retrieved 23 July 2011.

marketwatch.com (Global: 1,878^th place; English: 1,099^th place)

Assis, Claudia (27 July 2016), "The best-selling airplane of all time may not be No. 1 for much longer", Marketwatch

militarytimes.com (Global: 2,108^th place; English: 1,035^th place)

"Week 04 – Continuous Track". Military Times. Archived from the original on 21 May 2011. Retrieved 23 July 2011.

mpoweruk.com (Global: low place; English: low place)

"Battery Safety". Electropaedia. Archived from the original on 13 January 2012. Retrieved 23 July 2011.

mvcgfrance.org (Global: low place; English: low place)

Jean Pierre Dardinier. "Véhicules Insolites (Strange Vehicles)" (in French). Fédération Française des Groupes de Conservation de Véhicules Militaires. Archived from the original on 2 December 2011. Retrieved 23 July 2011.

nasa.gov (Global: 12^th place; English: 73^rd place)

nasa.gov

"Historical Timeline". NASA. Archived from the original on 20 April 2021. Retrieved 22 July 2011.
"Fact Sheet". NASA. Archived from the original on 8 December 2004. Retrieved 22 July 2011.

grc.nasa.gov

"Nozzles". NASA. Archived from the original on 31 May 2012. Retrieved 22 July 2011.
"Three Forces on a Glider". NASA. Archived from the original on 15 April 2021. Retrieved 2 August 2011.

science.ksc.nasa.gov

"Landing gear system". NASA. 31 August 2000. Archived from the original on 27 November 2021. Retrieved 7 August 2011.
Jennifer Schykowski (2 June 2008). "Eddy-current braking: a long road to success". Railway Gazette. Archived from the original on 27 November 2021. Retrieved 7 August 2011.

nmp.nasa.gov

"Frequently asked questions about ion propulsion". NASA. Archived from the original on 23 October 2004. Retrieved 22 July 2011.

ncl.ac.uk (Global: 5,403^rd place; English: 3,489^th place)

research.ncl.ac.uk

"Brief History of Screw Development" (PDF). Rod Sampson – School of Marine Science and Technology, Newcastle University. 5 February 2008. p. 10. Archived from the original (PDF) on 7 November 2015. Retrieved 23 July 2011.

nih.gov (Global: 5^th place; English: 5^th place)

pubmed.ncbi.nlm.nih.gov

Lawler, Andrew (7 June 2002). "Report of Oldest Boat Hints at Early Trade Routes". Science. 296 (5574): 1791–1792. doi:10.1126/science.296.5574.1791. PMID 12052936. S2CID 36178755. Retrieved 5 May 2008.

oed.com (Global: 743^rd place; English: 419^th place)

"vehicle". Oxford English Dictionary (online ed.). Oxford University Press. (Subscription or participating institution membership required.)

ornithopter.net (Global: low place; English: low place)

"How It Works". Project Ornithopter. Archived from the original on 10 February 2020. Retrieved 2 August 2011.

popularmechanics.com (Global: 2,521^st place; English: 1,621^st place)

Tegler, Eric (2 March 2017). "The 15 Most Important Helicopters of All Time". Popular Mechanics. Retrieved 7 April 2023.{{cite web}}: CS1 maint: url-status (link)

purdue.edu (Global: 1,391^st place; English: 979^th place)

engineering.purdue.edu

"Thrust Reversing". Purdue University. Retrieved 7 August 2011.

rbth.com (Global: 2,639^th place; English: 2,510^th place)

Egorov, Boris (3 April 2018). "Top 10 trams that became symbols of Russian cities". www.rbth.com. Retrieved 13 April 2021.

recumbents.com (Global: low place; English: low place)

wisil.recumbents.com

WHPSC (September 2009). "Battle Mountain World Human Powered Speed Challenge". Archived from the original on 11 August 2013. Retrieved 25 August 2011.

sciencemag.org (Global: 1,019^th place; English: 4,951^st place)

Lawler, Andrew (7 June 2002). "Report of Oldest Boat Hints at Early Trade Routes". Science. 296 (5574): 1791–1792. doi:10.1126/science.296.5574.1791. PMID 12052936. S2CID 36178755. Retrieved 5 May 2008.

sciencenews.gr (Global: low place; English: low place)

Lewis, M. J. T. (2001). "Railways in the Greek and Roman world" (PDF). In Guy, A.; Rees, J. (eds.). Early Railways. A Selection of Papers from the First International Early Railways Conference. Vol. 11. University of Hull. pp. 8–19. Archived from the original (PDF) on 21 July 2011.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Lawler, Andrew (7 June 2002). "Report of Oldest Boat Hints at Early Trade Routes". Science. 296 (5574): 1791–1792. doi:10.1126/science.296.5574.1791. PMID 12052936. S2CID 36178755. Retrieved 5 May 2008.

servicecanada.gc.ca (Global: low place; English: low place)

"Retrieved 2011-07-21". Servicecanada.gc.ca. Archived from the original on 23 March 2013. Retrieved 8 January 2013.

shef.ac.uk (Global: low place; English: 6,812^th place)

sasi.group.shef.ac.uk

"Passenger Cars; Map No. 31". Worldmapper: The world as you've never seen it before. 2002. Archived from the original on 12 November 2017. Retrieved 28 January 2012.
"Mopeds And Motorcycles Map No. 32". Worldmapper: The world as you've never seen it before. 2002. Archived from the original on 20 March 2018. Retrieved 28 January 2012.

sites.google.com (Global: 658^th place; English: 657^th place)

"Pneumatic Engine". Quasiturbine. Archived from the original on 4 June 2011. Retrieved 22 July 2011.

skibladner.no (Global: low place; English: low place)

"Skibladner: the world's oldest paddle steamer". Skibladner. Archived from the original on 9 August 2011. Retrieved 2 August 2011.

spiegel.de (Global: 87^th place; English: 363^rd place)

Daryl Lindsey (2 November 2007). "Russia 'Blackmails' Lufthansa over Cargo Hubs". Spiegel Online. Retrieved 22 July 2011.

stonepages.com (Global: low place; English: low place)

"8,000-year-old dug out canoe on show in Italy". Stone Pages Archeo News. Retrieved 17 August 2008.

tc.gc.ca (Global: 6,866^th place; English: 4,076^th place)

"Canadian Aviation Regulations, Part IV – Personnel Licensing and Training, Subpart 1 – Flight Crew Permits, Licences and Ratings". Transport Canada. 1 June 2010. Archived from the original on 4 January 2012. Retrieved 21 July 2011.

technomuses.ca (Global: low place; English: low place)

sciencetech.technomuses.ca

"Canada Science and Technology Museum: Baron von Drais' Bicycle". 2006. Archived from the original on 29 December 2006. Retrieved 23 December 2006.

telegraph.co.uk (Global: 40^th place; English: 27^th place)

Smith, Oliver (13 December 2010), "Introducing the most popular plane ever built", The Telegraph

theaviationist.com (Global: 4,795^th place; English: 3,510^th place)

Cenciotti, David (5 May 2024). "All You Need To Know About The B-52 Stratofortress Bomber's Unique Swiveling Landing Gear". The Aviationist. Retrieved 8 December 2025.

thrustssc.com (Global: low place; English: low place)

"The Reason for Rear-Wheel Steering". ThrustSSC Team. Retrieved 8 August 2011.

time.com (Global: 84^th place; English: 63^rd place)

"Here Comes the Flying Stovepipe". TIME. 26 November 1965. Archived from the original on 8 March 2008. Retrieved 22 July 2011.

torontopolice.on.ca (Global: low place; English: low place)

webapp1.torontopolice.on.ca

"Bicycle Registration". Archived from the original on 20 July 2011. Retrieved 21 July 2011. Retrieved 21 July 2011

tuev-sued.de (Global: low place; English: low place)

"Commission Directive 2001/116/EC of 20 December 2001, adapting to technical progress Council Directive 70/156/EEC on the approximation of the laws of the Member States relating to the type-approval of motor vehicles and their trailers" (PDF). Official Journal of the European Communities. 21 January 2002. Archived from the original (PDF) on 10 April 2008. Retrieved 22 July 2018.

utoronto.ca (Global: 1,483^rd place; English: 930^th place)

utias.utoronto.ca

"University of Toronto Institute for Aerospace Studies". Retrieved 10 November 2022.

wardsauto.com (Global: low place; English: 6,612^th place)

"World Vehicle Population Tops 1 Billion Units". Archived from the original on 27 August 2011. Retrieved 27 August 2011.

web.archive.org (Global: 1^st place; English: 1^st place)

"DSC.discovery.com". DSC.discovery.com. 26 June 2009. Archived from the original on 15 October 2012. Retrieved 8 January 2013.
Lewis, M. J. T. (2001). "Railways in the Greek and Roman world" (PDF). In Guy, A.; Rees, J. (eds.). Early Railways. A Selection of Papers from the First International Early Railways Conference. Vol. 11. University of Hull. pp. 8–19. Archived from the original (PDF) on 21 July 2011.
"200 AD – MA JUN". B4 Network. Archived from the original on 26 December 2011. Retrieved 21 July 2011.
"Automobile Invention". Aboutmycar.com. Archived from the original on 10 August 2013. Retrieved 27 October 2008.
"Canada Science and Technology Museum: Baron von Drais' Bicycle". 2006. Archived from the original on 29 December 2006. Retrieved 23 December 2006.
"World Vehicle Population Tops 1 Billion Units". Archived from the original on 27 August 2011. Retrieved 27 August 2011.
"Passenger Cars; Map No. 31". Worldmapper: The world as you've never seen it before. 2002. Archived from the original on 12 November 2017. Retrieved 28 January 2012.
"Mopeds And Motorcycles Map No. 32". Worldmapper: The world as you've never seen it before. 2002. Archived from the original on 20 March 2018. Retrieved 28 January 2012.
Squatriglia, Chuck (23 May 2008), "Honda Sells Its 60 Millionth – Yes, Millionth – Super Cub", Wired, archived from the original on 25 August 2018, retrieved 31 October 2010
24/7 Wall St. (26 January 2012), The Best-Selling Cars of All Time, Fox Business, archived from the original on 1 January 2016, retrieved 13 June 2017
Niles, Russ (4 October 2007). "Cessna to Offer Diesel Skyhawk". Archived from the original on 5 March 2012. Retrieved 5 October 2007.
Kingsley-Jones, Max. "6,000 and counting for Boeing's popular little twinjet." Flight International, Reed Business Information, 22 April 2009. Retrieved: 22 April 2009.
WHPSC (September 2009). "Battle Mountain World Human Powered Speed Challenge". Archived from the original on 11 August 2013. Retrieved 25 August 2011.
"Battery Safety". Electropaedia. Archived from the original on 13 January 2012. Retrieved 23 July 2011.
"Here Comes the Flying Stovepipe". TIME. 26 November 1965. Archived from the original on 8 March 2008. Retrieved 22 July 2011.
"Historical Timeline". NASA. Archived from the original on 20 April 2021. Retrieved 22 July 2011.
"Pneumatic Engine". Quasiturbine. Archived from the original on 4 June 2011. Retrieved 22 July 2011.
"Fact Sheet". NASA. Archived from the original on 8 December 2004. Retrieved 22 July 2011.
"NASA – Innovative Engines". Boeing, Xenon Ion Propulsion Center. Archived from the original on 12 July 2011. Retrieved 22 July 2011.
"Frequently asked questions about ion propulsion". NASA. Archived from the original on 23 October 2004. Retrieved 22 July 2011.
Alexander Gasser (March 2003). "World's Oldest Wheel Found in Slovenia". Government Communication Office of the Republic of Slovenia. Archived from the original on 14 July 2012. Retrieved 23 July 2011.
"Nozzles". NASA. Archived from the original on 31 May 2012. Retrieved 22 July 2011.
"LTI-20 Flight Dynamics". Lightcraft Technologies International. Archived from the original on 13 March 2012. Retrieved 22 July 2011. The ion thrusters use electromagnetic fields to vector the engine exhaust
"Week 04 – Continuous Track". Military Times. Archived from the original on 21 May 2011. Retrieved 23 July 2011.
"Early Helicopter Technology". U.S. Centennial of Flight Commission. Archived from the original on 21 August 2011. Retrieved 23 July 2011.
"Brief History of Screw Development" (PDF). Rod Sampson – School of Marine Science and Technology, Newcastle University. 5 February 2008. p. 10. Archived from the original (PDF) on 7 November 2015. Retrieved 23 July 2011.
"Cars with Propellers: an Illustrated Overview". Dark Roasted Blend. Archived from the original on 6 March 2023. Retrieved 23 July 2011.
"Three Forces on a Glider". NASA. Archived from the original on 15 April 2021. Retrieved 2 August 2011.
"How It Works". Project Ornithopter. Archived from the original on 10 February 2020. Retrieved 2 August 2011.
"Skibladner: the world's oldest paddle steamer". Skibladner. Archived from the original on 9 August 2011. Retrieved 2 August 2011.
Jean Pierre Dardinier. "Véhicules Insolites (Strange Vehicles)" (in French). Fédération Française des Groupes de Conservation de Véhicules Militaires. Archived from the original on 2 December 2011. Retrieved 23 July 2011.
"Flight Crew Training Manual – Brake Units". Boeing. Biggles-Software. Archived from the original on 10 May 2011. Retrieved 7 August 2011.
"Landing gear system". NASA. 31 August 2000. Archived from the original on 27 November 2021. Retrieved 7 August 2011.
Jennifer Schykowski (2 June 2008). "Eddy-current braking: a long road to success". Railway Gazette. Archived from the original on 27 November 2021. Retrieved 7 August 2011.
"ACEA.be" (PDF). ACEA.be. Archived from the original (PDF) on 21 February 2012. Retrieved 8 January 2013.
"Scadplus: Technical Harmonisation For Motor Vehicles". Europa.eu. Archived from the original on 15 October 2012. Retrieved 8 January 2013.
"Commission Directive 2001/116/EC of 20 December 2001, adapting to technical progress Council Directive 70/156/EEC on the approximation of the laws of the Member States relating to the type-approval of motor vehicles and their trailers" (PDF). Official Journal of the European Communities. 21 January 2002. Archived from the original (PDF) on 10 April 2008. Retrieved 22 July 2018.
"Canadian Aviation Regulations, Part IV – Personnel Licensing and Training, Subpart 1 – Flight Crew Permits, Licences and Ratings". Transport Canada. 1 June 2010. Archived from the original on 4 January 2012. Retrieved 21 July 2011.
"Bicycle Registration". Archived from the original on 20 July 2011. Retrieved 21 July 2011. Retrieved 21 July 2011
"Retrieved 2011-07-21". Servicecanada.gc.ca. Archived from the original on 23 March 2013. Retrieved 8 January 2013.
"Airworthiness Certificates Overview". Federal Aviation Administration. Archived from the original on 4 March 2011. Retrieved 22 July 2011.
"FAR Part 91 Sec. 91.319". Federal Aviation Administration. Archived from the original on 28 April 2021. Retrieved 22 July 2011.
"Airworthiness Certification of Aircraft and Related Products" (PDF). Federal Aviation Administration. 18 April 2007. Section 9, subsection 153. Archived from the original (PDF) on 19 August 2021. Retrieved 22 July 2011.
"Experimental Category". Federal Aviation Administration. Archived from the original on 4 January 2011. Retrieved 22 July 2011.
"Radar Outage Cited in KAL Tragedy". Los Angeles Times. 2 January 1993. Archived from the original on 11 August 2020. Retrieved 10 June 2025.

wired.com (Global: 254^th place; English: 178^th place)

blog.wired.com

Squatriglia, Chuck (23 May 2008), "Honda Sells Its 60 Millionth – Yes, Millionth – Super Cub", Wired, archived from the original on 25 August 2018, retrieved 31 October 2010

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Koeppel, Dan (January–February 2007), "Flight of the Pigeon", Bicycling, vol. 48, no. 1, Rodale, Inc., pp. 60–66, ISSN 0006-2073, retrieved 28 January 2012
"That's 2.5 billion cc!", American Motorcyclist, Westerville, Ohio: American Motorcyclist Association, p. 24, May 2006, ISSN 0277-9358, retrieved 31 October 2010

worldometers.info (Global: 2,960^th place; English: 6,742^nd place)

Bicycles, Worldometers

Vehicle (English Wikipedia)

abc.net.au (Global: 120th place; English: 70th place)

aboutmycar.com (Global: low place; English: low place)

accessengineeringlibrary.com (Global: low place; English: low place)

acea.be (Global: low place; English: low place)

aerospaceweb.org (Global: low place; English: low place)

ansi.org (Global: low place; English: low place)

webstore.ansi.org

archeoforum.nl (Global: low place; English: low place)

archive.org (Global: 6th place; English: 6th place)

avweb.com (Global: 4,610th place; English: 2,458th place)

b4-network.com (Global: low place; English: low place)

boeing.com (Global: 1,664th place; English: 1,611th place)

books.google.com (Global: 3rd place; English: 3rd place)

britannica.com (Global: 37th place; English: 64th place)

centennialofflight.gov (Global: low place; English: low place)

coaleducation.org (Global: low place; English: low place)

darkroastedblend.com (Global: low place; English: low place)

die-tagespost.de (Global: low place; English: low place)

direct.gov.uk (Global: low place; English: 8,019th place)

discovery.com (Global: 2,064th place; English: 1,414th place)

dsc.discovery.com

doi.org (Global: 2nd place; English: 2nd place)

engineeringtoolbox.com (Global: low place; English: low place)

europa.eu (Global: 62nd place; English: 100th place)

europa.eu

eur-lex.europa.eu

everything2.com (Global: 9,779th place; English: 8,106th place)

faa.gov (Global: 985th place; English: 575th place)

faa.gov

rgl.faa.gov

flightglobal.com (Global: 222nd place; English: 157th place)

fourmilab.ch (Global: low place; English: low place)

foxbusiness.com (Global: 4,024th place; English: 2,299th place)

free.fr (Global: 283rd place; English: 705th place)

aerostories.free.fr

funimag.com (Global: low place; English: low place)

gov.on.ca (Global: 3,455th place; English: 1,821st place)

mto.gov.on.ca

gov.si (Global: 3,102nd place; English: 4,816th place)

ukom.gov.si

historic-uk.com (Global: 8,365th place; English: 6,722nd place)

howstuffworks.com (Global: 1,354th place; English: 958th place)

auto.howstuffworks.com

howstuffworks.com

science.howstuffworks.com

adventure.howstuffworks.com

latimes.com (Global: 32nd place; English: 21st place)

liftlaws.com (Global: low place; English: low place)

lightcrafttechnologies.com (Global: low place; English: low place)

mapawatt.com (Global: low place; English: low place)

blog.mapawatt.com

marketwatch.com (Global: 1,878th place; English: 1,099th place)

militarytimes.com (Global: 2,108th place; English: 1,035th place)

mpoweruk.com (Global: low place; English: low place)

mvcgfrance.org (Global: low place; English: low place)

nasa.gov (Global: 12th place; English: 73rd place)

nasa.gov

grc.nasa.gov

science.ksc.nasa.gov

nmp.nasa.gov

ncl.ac.uk (Global: 5,403rd place; English: 3,489th place)

research.ncl.ac.uk

nih.gov (Global: 5th place; English: 5th place)

pubmed.ncbi.nlm.nih.gov

oed.com (Global: 743rd place; English: 419th place)

ornithopter.net (Global: low place; English: low place)

popularmechanics.com (Global: 2,521st place; English: 1,621st place)

purdue.edu (Global: 1,391st place; English: 979th place)

engineering.purdue.edu

rbth.com (Global: 2,639th place; English: 2,510th place)

recumbents.com (Global: low place; English: low place)

wisil.recumbents.com

sciencemag.org (Global: 1,019th place; English: 4,951st place)

sciencenews.gr (Global: low place; English: low place)

semanticscholar.org (Global: 15th place; English: 8th place)

api.semanticscholar.org

servicecanada.gc.ca (Global: low place; English: low place)

shef.ac.uk (Global: low place; English: 6,812th place)

sasi.group.shef.ac.uk

abc.net.au (Global: 120^th place; English: 70^th place)

archive.org (Global: 6^th place; English: 6^th place)

avweb.com (Global: 4,610^th place; English: 2,458^th place)

boeing.com (Global: 1,664^th place; English: 1,611^th place)

books.google.com (Global: 3^rd place; English: 3^rd place)

britannica.com (Global: 37^th place; English: 64^th place)

direct.gov.uk (Global: low place; English: 8,019^th place)

discovery.com (Global: 2,064^th place; English: 1,414^th place)

doi.org (Global: 2^nd place; English: 2^nd place)

europa.eu (Global: 62^nd place; English: 100^th place)

everything2.com (Global: 9,779^th place; English: 8,106^th place)

faa.gov (Global: 985^th place; English: 575^th place)

flightglobal.com (Global: 222^nd place; English: 157^th place)

foxbusiness.com (Global: 4,024^th place; English: 2,299^th place)

free.fr (Global: 283^rd place; English: 705^th place)

gov.on.ca (Global: 3,455^th place; English: 1,821^st place)

gov.si (Global: 3,102^nd place; English: 4,816^th place)

historic-uk.com (Global: 8,365^th place; English: 6,722^nd place)

howstuffworks.com (Global: 1,354^th place; English: 958^th place)

latimes.com (Global: 32^nd place; English: 21^st place)

marketwatch.com (Global: 1,878^th place; English: 1,099^th place)

militarytimes.com (Global: 2,108^th place; English: 1,035^th place)

nasa.gov (Global: 12^th place; English: 73^rd place)

ncl.ac.uk (Global: 5,403^rd place; English: 3,489^th place)

nih.gov (Global: 5^th place; English: 5^th place)

oed.com (Global: 743^rd place; English: 419^th place)

popularmechanics.com (Global: 2,521^st place; English: 1,621^st place)

purdue.edu (Global: 1,391^st place; English: 979^th place)

rbth.com (Global: 2,639^th place; English: 2,510^th place)

sciencemag.org (Global: 1,019^th place; English: 4,951^st place)

semanticscholar.org (Global: 15^th place; English: 8^th place)

shef.ac.uk (Global: low place; English: 6,812^th place)

sites.google.com (Global: 658^th place; English: 657^th place)

spiegel.de (Global: 87^th place; English: 363^rd place)

tc.gc.ca (Global: 6,866^th place; English: 4,076^th place)

telegraph.co.uk (Global: 40^th place; English: 27^th place)

theaviationist.com (Global: 4,795^th place; English: 3,510^th place)

time.com (Global: 84^th place; English: 63^rd place)

utoronto.ca (Global: 1,483^rd place; English: 930^th place)

wardsauto.com (Global: low place; English: 6,612^th place)

web.archive.org (Global: 1^st place; English: 1^st place)

wired.com (Global: 254^th place; English: 178^th place)

worldcat.org (Global: 4^th place; English: 4^th place)

worldometers.info (Global: 2,960^th place; English: 6,742^nd place)