Helium (Danish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Helium" in Danish language version.

Last modified: 05:42:42, 11 August 2026 (UTC)

Ref.Un. Ref.Website

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3211archive.org

6^th place

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2927doi.org

2^nd place

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2621web.archive.org

1^st place

66nih.gov

5^th place

16^th place

42lanl.gov

5,474^th place

2,450^th place

31airproducts.com

low place

22worldcat.org

4^th place

14^th place

22rubicon-foundation.org

low place

3,357^th place

22nasa.gov

12^th place

99^th place

21einstein-online.info

low place

21mantleplumes.org

low place

11sciencemag.org

1,019^th place

403^rd place

11lenntech.com

low place

11yutopian.com

low place

11wesleyan.edu

8,923^rd place

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11cern.ch

2,552^nd place

1,109^th place

11unsw.edu.au

4,700^th place

6,170^th place

11anb.org

4,246^th place

low place

11leidenuniv.nl

5,966^th place

6,662^nd place

11nature.com

207^th place

192^nd place

11google.co.uk

1,519^th place

2,789^th place

11acs.org

865^th place

1,030^th place

11archive.today

28^th place

32^nd place

11jstor.org

23^rd place

111^th place

11nationalacademies.org

5,043^rd place

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11nap.edu

2,540^th place

1,491^st place

11weather.gov

1,089^th place

3,257^th place

11astronomynotes.com

low place

11livescience.com

1,726^th place

331^st place

11webelements.com

4,345^th place

3,806^th place

11cam.ac.uk

569^th place

849^th place

11environmentalchemistry.com

low place

9,430^th place

11ingentaconnect.com

3,367^th place

2,339^th place

11wisc.edu

891^st place

1,094^th place

11usra.edu

1,836^th place

714^th place

11thespacereview.com

9,241^st place

low place

11scuba-doc.com

low place

11slate.com

409^th place

731^st place

acs.org (Global: 865^th place; Danish: 1,030^th place)

acswebcontent.acs.org

American Chemical Society (2004). "The Discovery of Helium in Natural Gas". Arkiveret fra originalen 20. maj 2006. Hentet 2006-05-17.

airproducts.com (Global: low place; Danish: low place)

DM Smith, TW Goodwin, J Schillinger (2003). "Challenges to the Worldwide Supply of Helium in the Next Decade" (PDF). Advances in Cryogenic Engineering. 49 A. Arkiveret fra originalen (PDF) 25. juni 2008. Hentet 6. juli 2008.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)

anb.org (Global: 4,246^th place; Danish: low place)

Pat Munday (1999). Biographical entry for W.F. Hillebrand (1853–1925), geochemist and US Bureau of Standards administrator in American National Biography, ed. John A. Garraty and Mark C. Carnes, 24 vols. (Oxford University Press: 1999): v. 10, pp. 808–9; v. 11, pp. 227-8.

archive.org (Global: 6^th place; Danish: 5^th place)

Brandt, L. W. (1968). "Helium". I Clifford A. Hampel (red.). The Encyclopedia of the Chemical Elements. New York: Reinhold Book Corporation. s. 256–268. LCCN 68-29938.
Emsley, John (2001). Nature's Building Blocks. Oxford: Oxford University Press. s. 175-179. ISBN 0-19-850341-5.
Fairbank H.A.; Lane C.T. (oktober 1949). "Rollin Film Rates in Liquid Helium". Physical Review. 76 (8): 1209-1211. doi:10.1103/PhysRev.76.1209.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)
P. Kapitza (1938). "Viscosity of Liquid Helium below the λ-Point". Nature. 141: 74. doi:10.1038/141074a0.
H. P. Cady and D. F. McFarland (1906). "Helium in Natural Gas". Science. 14: 344. doi:10.1126/science.24.611.344. PMID 17772798.
Weiss, Achim. "Elements of the past: Big Bang Nucleosynthesis and observation". Max Planck Institute for Gravitational Physics. Arkiveret fra originalen 8. februar 2007. Hentet 2008-06-23.; Coc, A.; et al. (2004). "Updated Big Bang Nucleosynthesis confronted to WMAP observations and to the Abundance of Light Elements". Astrophysical Journal. 600: 544. doi:10.1086/380121. {{cite journal}}: Eksplicit brug af et al. i: |author= (hjælp)
Melvine A. Cook (1957). "Where is the Earth's Radiogenic Helium?". Nature. 179: 213. doi:10.1038/179213a0.
L. T. Aldrich and Alfred O. Nier (1948). "The Occurrence of He³ in Natural Sources of Helium". Phys. Rev. 74: 1590-1594. doi:10.1103/PhysRev.74.1590.
Ming Wah Wong (2000). "Prediction of a Metastable Helium Compound: HHeF". Journal of the American Chemical Society. 122 (26): 6289-6290. doi:10.1021/ja9938175.
Martin Saunders, Hugo A. Jiménez-Vázquez, R. James Cross, and Robert J. Poreda (1993). "Stable Compounds of Helium and Neon: He@C₆₀ and Ne@C₆₀". Science. 259 (5100): 1428-1430. doi:10.1126/science.259.5100.1428. PMID 17801275.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)
Saunders, M., Jiménez-Vázquez, H. A.; Cross, R. J.; Mroczkowski, S.; Freedberg, D. I.; Anet, F. A. L. (1994). "Probing the interior of fullerenes by ³He NMR spectroscopy of endohedral ³He@C₆₀ and ³He@C₇₀". Nature. 367: 256-258. doi:10.1038/367256a0.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)

archive.today (Global: 28^th place; Danish: 32^nd place)

H. P. Cady and D. F. McFarland (1906). "Helium in Kansas Natural Gas". Transactions of the Kansas Academy of Science. 20: 80-81. doi:10.2307/3624645. Arkiveret fra originalen 27. maj 2012. Hentet 2008-07-23.

astronomynotes.com (Global: low place; Danish: low place)

Strobel, Nick (2007). "Nick Strobel's Astronomy Notes (chapter Atmospheres)". Hentet 2007-09-25.

cam.ac.uk (Global: 569^th place; Danish: 849^th place)

jbs.cam.ac.uk

Z. Cai, R. Clarke, N. Ward, W. J. Nuttall, B. A. Glowacki. "Modelling Helium Markets" (PDF). Arkiveret fra originalen (PDF) 25. juni 2008. Hentet 6. juli 2008. {{cite journal}}: Cite journal kræver |journal= (hjælp)CS1-vedligeholdelse: Flere navne: authors list (link)

cern.ch (Global: 2,552^nd place; Danish: 1,109^th place)

visits.web.cern.ch

"CERN - LHC: Facts and Figures" (PDF). CERN. Arkiveret fra LHC Guide booklet originalen 6. juli 2011. Hentet 2008-04-30. {{cite web}}: Tjek |url= (hjælp)

doi.org (Global: 2^nd place; Danish: 9^th place)

C. Malinowska-Adamska, P. Soma, J. Tomaszewski (2003). "Dynamic and thermodynamic properties of solid helium in the reduced all-neighbours approximation of the self-consistent phonon theory". physica status solidi (b). 240 (1): 55-67. doi:10.1002/pssb.200301871. ISSN 0370-1972.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)
D. G. Henshaw (1958). "Structure of Solid Helium by Neutron Diffraction". Physical Review Letters. 109 (2): 328-330. doi:10.1103/PhysRev.109.328.
Fairbank H.A.; Lane C.T. (oktober 1949). "Rollin Film Rates in Liquid Helium". Physical Review. 76 (8): 1209-1211. doi:10.1103/PhysRev.76.1209.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)
B.V. Rollin and F. Simon (1949). "On the "film" phenomenon of liquid helium II". Physica. 6 (2): 219-230. doi:10.1016/S0031-8914(39)80013-1.
D. Bergman (oktober 1949). "Hydrodynamics and Third Sound in Thin He II Films". Physical Review. 188 (1): 370-384. doi:10.1103/PhysRev.188.370.
Butcher, Scott J.; Jones, Richard L.; Mayne, Jonathan R.; Hartley, Timothy C.; Petersen, Stewart R. (december 2007). "Impaired exercise ventilatory mechanics with the self-contained breathing apparatus are improved with heliox". European Journal of Applied Physiology. Netherlands: Springer. 101 (6): 659(11). doi:10.1007/s00421-007-0541-5.
I E Beckwith and C G Miller (1990). "Aerothermodynamics and Transition in High-Speed Wind Tunnels at Nasa Langley". Annual Review of Fluid Mechanics. 22: 419-439. doi:10.1146/annurev.fl.22.010190.002223.{{cite journal}}: CS1-vedligeholdelse: Bruger authors parameter (link)
H. Jakobsson (1997). "Simulations of the dynamics of the Large Earth-based Solar Telescope". Astronomical & Astrophysical Transactions. 13 (1): 35-46. doi:10.1080/10556799708208113.{{cite journal}}: CS1-vedligeholdelse: Bruger authors parameter (link)
William Ramsay (1895). "On a Gas Showing the Spectrum of Helium, the Reputed Cause of D3 , One of the Lines in the Coronal Spectrum. Preliminary Note". Proceedings of the Royal Society of London. 58: 65-67. doi:10.1098/rspl.1895.0006.
William Ramsay (1895). "Helium, a Gaseous Constituent of Certain Minerals. Part I". Proceedings of the Royal Society of London. 58: 80-89. doi:10.1098/rspl.1895.0010.
William Ramsay (1895). "Helium, a Gaseous Constituent of Certain Minerals. Part II--". Proceedings of the Royal Society of London. 59: 325-330. doi:10.1098/rspl.1895.0097.
Willem Hendrik Keesom (1926). "Solidification of Helium" (^{[dødt link]} – ^{Scholar search}). Nature. 118: 81. doi:10.1038/118081a0. Arkiveret (PDF) fra originalen 25. juni 2008. Hentet 2008-07-23. {{cite journal}}: Ekstern henvisning i |format= (hjælp)
P. Kapitza (1938). "Viscosity of Liquid Helium below the λ-Point". Nature. 141: 74. doi:10.1038/141074a0.
D. D. Osheroff, R. C. Richardson, and D. M. Lee (1972). "Evidence for a New Phase of Solid He³". Phys. Rev. Lett. 28 (14): 885-888. doi:10.1103/PhysRevLett.28.885.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)
H. P. Cady and D. F. McFarland (1906). "Helium in Natural Gas". Science. 14: 344. doi:10.1126/science.24.611.344. PMID 17772798.
H. P. Cady and D. F. McFarland (1906). "Helium in Kansas Natural Gas". Transactions of the Kansas Academy of Science. 20: 80-81. doi:10.2307/3624645. Arkiveret fra originalen 27. maj 2012. Hentet 2008-07-23.
Weiss, Achim. "Elements of the past: Big Bang Nucleosynthesis and observation". Max Planck Institute for Gravitational Physics. Arkiveret fra originalen 8. februar 2007. Hentet 2008-06-23.; Coc, A.; et al. (2004). "Updated Big Bang Nucleosynthesis confronted to WMAP observations and to the Abundance of Light Elements". Astrophysical Journal. 600: 544. doi:10.1086/380121. {{cite journal}}: Eksplicit brug af et al. i: |author= (hjælp)
Lie-Svendsen, Ø.; Rees, M. H. (1996). "Helium escape from the terrestrial atmosphere: The ion outflow mechanism". Journal of Geophysical Research. 101 (A2): 2435-2444. doi:10.1029/95JA02208.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)
Melvine A. Cook (1957). "Where is the Earth's Radiogenic Helium?". Nature. 179: 213. doi:10.1038/179213a0.
L. T. Aldrich and Alfred O. Nier (1948). "The Occurrence of He³ in Natural Sources of Helium". Phys. Rev. 74: 1590-1594. doi:10.1103/PhysRev.74.1590.
P. Morrison, J. Pine (1955). "Radiogenic Origin of the Helium Isotopes in Rock". Annals of the New York Academy of Sciences. 62 (3): 71-92. doi:10.1111/j.1749-6632.1955.tb35366.x.
V. P. Belyakov1, S. G. Durgar'yan, B. A. Mirzoyan, N. S. Nametkin1, O. G. Talakin and L. N. Chekalov (1981). "Membrane technology — A new trend in industrial gas separation". Chemical and Petroleum Engineering. 17 (1): 19-21. doi:10.1007/BF01245721.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)
Zastenker G.N.; Salerno E.; Buehler F.; Bochsler P.; Bassi M.; Agafonov Y.N.; Eismont N.A.; Khrapchenkov V.V.; Busemann H. (april 2002). "Isotopic Composition and Abundance of Interstellar Neutral Helium Based on Direct Measurements". Astrophysics. 45 (2): 131-142. doi:10.1023/A:1016057812964. Hentet 2007-01-05.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)
Hiby, Julius W. (1939). "Massenspektrographische Untersuchungen an Wasserstoff- und Heliumkanalstrahlen (H3+, H2-, HeH+, HeD+, He-)". Annalen der Physik. 426 (5): 473-487. doi:10.1002/andp.19394260506.
Ming Wah Wong (2000). "Prediction of a Metastable Helium Compound: HHeF". Journal of the American Chemical Society. 122 (26): 6289-6290. doi:10.1021/ja9938175.
Martin Saunders, Hugo A. Jiménez-Vázquez, R. James Cross, and Robert J. Poreda (1993). "Stable Compounds of Helium and Neon: He@C₆₀ and Ne@C₆₀". Science. 259 (5100): 1428-1430. doi:10.1126/science.259.5100.1428. PMID 17801275.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)
Saunders, M., Jiménez-Vázquez, H. A.; Cross, R. J.; Mroczkowski, S.; Freedberg, D. I.; Anet, F. A. L. (1994). "Probing the interior of fullerenes by ³He NMR spectroscopy of endohedral ³He@C₆₀ and ³He@C₇₀". Nature. 367: 256-258. doi:10.1038/367256a0.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)

einstein-online.info (Global: low place; Danish: low place)

Weiss, Achim. "Elements of the past: Big Bang Nucleosynthesis and observation". Max Planck Institute for Gravitational Physics. Arkiveret fra originalen 8. februar 2007. Hentet 2008-06-23.; Coc, A.; et al. (2004). "Updated Big Bang Nucleosynthesis confronted to WMAP observations and to the Abundance of Light Elements". Astrophysical Journal. 600: 544. doi:10.1086/380121. {{cite journal}}: Eksplicit brug af et al. i: |author= (hjælp)

environmentalchemistry.com (Global: low place; Danish: 9,430^th place)

Periodic Table of Elements: Li – Lithium (EnvironmentalChemistry.com)

google.co.uk (Global: 1,519^th place; Danish: 2,789^th place)

scholar.google.co.uk

Willem Hendrik Keesom (1926). "Solidification of Helium" (^{[dødt link]} – ^{Scholar search}). Nature. 118: 81. doi:10.1038/118081a0. Arkiveret (PDF) fra originalen 25. juni 2008. Hentet 2008-07-23. {{cite journal}}: Ekstern henvisning i |format= (hjælp)

ingentaconnect.com (Global: 3,367^th place; Danish: 2,339^th place)

Zastenker G.N.; Salerno E.; Buehler F.; Bochsler P.; Bassi M.; Agafonov Y.N.; Eismont N.A.; Khrapchenkov V.V.; Busemann H. (april 2002). "Isotopic Composition and Abundance of Interstellar Neutral Helium Based on Direct Measurements". Astrophysics. 45 (2): 131-142. doi:10.1023/A:1016057812964. Hentet 2007-01-05.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)

jstor.org (Global: 23^rd place; Danish: 111^th place)

mc1litvip.jstor.org

H. P. Cady and D. F. McFarland (1906). "Helium in Kansas Natural Gas". Transactions of the Kansas Academy of Science. 20: 80-81. doi:10.2307/3624645. Arkiveret fra originalen 27. maj 2012. Hentet 2008-07-23.

lanl.gov (Global: 5,474^th place; Danish: 2,450^th place)

periodic.lanl.gov

"Periodic Table: Helium". Los Alamos National Laboratory (LANL.gov):. Arkiveret fra originalen 2. juni 2008. Hentet 2008-07-23.{{cite web}}: CS1-vedligeholdelse: Ekstra tegnsætning (link)
"Helium - Valency". Arkiveret fra originalen 2. juni 2008. Hentet 14. maj 2008.

leidenuniv.nl (Global: 5,966^th place; Danish: 6,662^nd place)

www-lorentz.leidenuniv.nl

Dirk van Delft (2008). "Little cup of Helium, big Science" (PDF). Physics today. s. 36-42. Arkiveret fra originalen (PDF) 25. juni 2008. Hentet 2008-07-23.

lenntech.com (Global: low place; Danish: low place)

"Helium (He) and water". Lenntech. Hentet 2008-07-23. {{cite journal}}: Cite journal kræver |journal= (hjælp)

livescience.com (Global: 1,726^th place; Danish: 331^st place)

Helium Leaking from Earth in Southern California. Livescience

mantleplumes.org (Global: low place; Danish: low place)

Don L. Anderson, G. R. Foulger & Anders Meibom. "Helium Fundamentals". mantleplumes.org. Hentet 2008-07-23.

nap.edu (Global: 2,540^th place; Danish: 1,491^st place)

Executive Summary Arkiveret 2. maj 2005 hos Wayback Machine, nap.edu. Hentet 5. januar 2007.

nasa.gov (Global: 12^th place; Danish: 99^th place)

cryowwwebber.gsfc.nasa.gov

Warner, Brent. "Introduction to Liquid Helium". NASA. Arkiveret fra originalen 1. september 2005. Hentet 2007-01-05.

hq.nasa.gov

Eugene M. Emme, comp., red. (1961). "Aeronautics and Astronautics Chronology, 1920–1924". Aeronautics and Astronautics: An American Chronology of Science and Technology in the Exploration of Space, 1915–1960. Washington, DC: NASA. s. 11-19. Arkiveret fra originalen 14. juli 2019. Hentet 2007-01-05.

nationalacademies.org (Global: 5,043^rd place; Danish: low place)

www7.nationalacademies.org

"Helium Privatization Act of 1996". Arkiveret fra originalen 6. juli 2008. Hentet 2007-01-05.

nature.com (Global: 207^th place; Danish: 192^nd place)

Willem Hendrik Keesom (1926). "Solidification of Helium" (^{[dødt link]} – ^{Scholar search}). Nature. 118: 81. doi:10.1038/118081a0. Arkiveret (PDF) fra originalen 25. juni 2008. Hentet 2008-07-23. {{cite journal}}: Ekstern henvisning i |format= (hjælp)

nih.gov (Global: 5^th place; Danish: 16^th place)

pubmed.ncbi.nlm.nih.gov

Fowler, B; Ackles, KN; Porlier, G (1985). "Effects of inert gas narcosis on behavior--a critical review". Undersea Biomedical Research Journal. PMID 4082343. Arkiveret fra originalen 25. december 2010. Hentet 2008-06-27.
Thomas, JR (1976). "Reversal of nitrogen narcosis in rats by helium pressure". Undersea Biomed Res. 3 (3): 249-59. PMID 969027. Hentet 2008-06-27.
Rostain, J. C.; Gardette-Chauffour, M. C.; Lemaire, C.; Naquet, R. (1988). "Effects of a H2-He-O2 mixture on the HPNS up to 450 msw". Undersea Biomed. Res. 15 (4): 257-70. ISSN 0093-5387. OCLC 2068005. PMID 3212843. Arkiveret fra originalen 25. december 2010. Hentet 2008-06-24.
H. P. Cady and D. F. McFarland (1906). "Helium in Natural Gas". Science. 14: 344. doi:10.1126/science.24.611.344. PMID 17772798.
Martin Saunders, Hugo A. Jiménez-Vázquez, R. James Cross, and Robert J. Poreda (1993). "Stable Compounds of Helium and Neon: He@C₆₀ and Ne@C₆₀". Science. 259 (5100): 1428-1430. doi:10.1126/science.259.5100.1428. PMID 17801275.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)

ncbi.nlm.nih.gov

Thomas, JR (1976). "Reversal of nitrogen narcosis in rats by helium pressure". Undersea Biomed Res. 3 (3): 249-59. PMID 969027. Hentet 2008-06-27.

rubicon-foundation.org (Global: low place; Danish: 3,357^th place)

archive.rubicon-foundation.org

Fowler, B; Ackles, KN; Porlier, G (1985). "Effects of inert gas narcosis on behavior--a critical review". Undersea Biomedical Research Journal. PMID 4082343. Arkiveret fra originalen 25. december 2010. Hentet 2008-06-27.
Rostain, J. C.; Gardette-Chauffour, M. C.; Lemaire, C.; Naquet, R. (1988). "Effects of a H2-He-O2 mixture on the HPNS up to 450 msw". Undersea Biomed. Res. 15 (4): 257-70. ISSN 0093-5387. OCLC 2068005. PMID 3212843. Arkiveret fra originalen 25. december 2010. Hentet 2008-06-24.

sciencemag.org (Global: 1,019^th place; Danish: 403^rd place)

Astronomers have spotted the universe’s first molecule. Science 2019

scuba-doc.com (Global: low place; Danish: low place)

HPNS Arkiveret 5. juli 2008 hos Wayback Machine, scuba-doc.com. Hentet 5. januar 2007.

slate.com (Global: 409^th place; Danish: 731^st place)

Stay Out of That Balloon! The dangers of helium inhalation, Slate.com. Retrieved on 18 September 2007.

thespacereview.com (Global: 9,241^st place; Danish: low place)

Eric R. Hedman (16. januar 2006). "A fascinating hour with [[Gerald Kulcinski]]". The Space Review. {{cite news}}: Konflikt mellem URL og wikilink (hjælp)

unsw.edu.au (Global: 4,700^th place; Danish: 6,170^th place)

phys.unsw.edu.au

Physics in speech Arkiveret 10. december 2004 hos Wayback Machine, phys.unsw.edu.au. Hentet 5. januar 2007.

usra.edu (Global: 1,836^th place; Danish: 714^th place)

lpi.usra.edu

E. N. Slyuta and A. M. Abdrakhimov, and E. M. Galimov (2007). "The estimation of helium-3 probable reserves in lunar regolith" (PDF). Lunar and Planetary Science XXXVIII.

weather.gov (Global: 1,089^th place; Danish: 3,257^th place)

srh.weather.gov

"The Atmosphere: Introduction". JetStream - Online School for Weather. National Weather Service. Arkiveret fra originalen 13. januar 2008. Hentet 6. juli 2008.

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

"Periodic Table: Helium". Los Alamos National Laboratory (LANL.gov):. Arkiveret fra originalen 2. juni 2008. Hentet 2008-07-23.{{cite web}}: CS1-vedligeholdelse: Ekstra tegnsætning (link)
"Solid Helium". Department of Physics University of Alberta. 2005-10-05. Arkiveret fra originalen den 5. november 2008. Hentet 6. juli 2008.{{cite web}}: CS1-vedligeholdelse: BOT: original-url status ukendt (link)
Warner, Brent. "Introduction to Liquid Helium". NASA. Arkiveret fra originalen 1. september 2005. Hentet 2007-01-05.
Fowler, B; Ackles, KN; Porlier, G (1985). "Effects of inert gas narcosis on behavior--a critical review". Undersea Biomedical Research Journal. PMID 4082343. Arkiveret fra originalen 25. december 2010. Hentet 2008-06-27.
Rostain, J. C.; Gardette-Chauffour, M. C.; Lemaire, C.; Naquet, R. (1988). "Effects of a H2-He-O2 mixture on the HPNS up to 450 msw". Undersea Biomed. Res. 15 (4): 257-70. ISSN 0093-5387. OCLC 2068005. PMID 3212843. Arkiveret fra originalen 25. december 2010. Hentet 2008-06-24.
"CERN - LHC: Facts and Figures" (PDF). CERN. Arkiveret fra LHC Guide booklet originalen 6. juli 2011. Hentet 2008-04-30. {{cite web}}: Tjek |url= (hjælp)
Physics in speech Arkiveret 10. december 2004 hos Wayback Machine, phys.unsw.edu.au. Hentet 5. januar 2007.
Dirk van Delft (2008). "Little cup of Helium, big Science" (PDF). Physics today. s. 36-42. Arkiveret fra originalen (PDF) 25. juni 2008. Hentet 2008-07-23.
Willem Hendrik Keesom (1926). "Solidification of Helium" (^{[dødt link]} – ^{Scholar search}). Nature. 118: 81. doi:10.1038/118081a0. Arkiveret (PDF) fra originalen 25. juni 2008. Hentet 2008-07-23. {{cite journal}}: Ekstern henvisning i |format= (hjælp)
American Chemical Society (2004). "The Discovery of Helium in Natural Gas". Arkiveret fra originalen 20. maj 2006. Hentet 2006-05-17.
Eugene M. Emme, comp., red. (1961). "Aeronautics and Astronautics Chronology, 1920–1924". Aeronautics and Astronautics: An American Chronology of Science and Technology in the Exploration of Space, 1915–1960. Washington, DC: NASA. s. 11-19. Arkiveret fra originalen 14. juli 2019. Hentet 2007-01-05.
"Helium Privatization Act of 1996". Arkiveret fra originalen 6. juli 2008. Hentet 2007-01-05.
Executive Summary Arkiveret 2. maj 2005 hos Wayback Machine, nap.edu. Hentet 5. januar 2007.
DM Smith, TW Goodwin, J Schillinger (2003). "Challenges to the Worldwide Supply of Helium in the Next Decade" (PDF). Advances in Cryogenic Engineering. 49 A. Arkiveret fra originalen (PDF) 25. juni 2008. Hentet 6. juli 2008.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)
Weiss, Achim. "Elements of the past: Big Bang Nucleosynthesis and observation". Max Planck Institute for Gravitational Physics. Arkiveret fra originalen 8. februar 2007. Hentet 2008-06-23.; Coc, A.; et al. (2004). "Updated Big Bang Nucleosynthesis confronted to WMAP observations and to the Abundance of Light Elements". Astrophysical Journal. 600: 544. doi:10.1086/380121. {{cite journal}}: Eksplicit brug af et al. i: |author= (hjælp)
"The Atmosphere: Introduction". JetStream - Online School for Weather. National Weather Service. Arkiveret fra originalen 13. januar 2008. Hentet 6. juli 2008.
"WebElements Periodic Table: Professional Edition: Helium: key information". Arkiveret fra originalen 9. maj 2008. Hentet 6. juli 2008.
Z. Cai, R. Clarke, N. Ward, W. J. Nuttall, B. A. Glowacki. "Modelling Helium Markets" (PDF). Arkiveret fra originalen (PDF) 25. juni 2008. Hentet 6. juli 2008. {{cite journal}}: Cite journal kræver |journal= (hjælp)CS1-vedligeholdelse: Flere navne: authors list (link)
"FTI Research Projects :: 3He Lunar Mining". Arkiveret fra originalen 4. september 2006. Hentet 6. juli 2008.
HPNS Arkiveret 5. juli 2008 hos Wayback Machine, scuba-doc.com. Hentet 5. januar 2007.
"Helium - Valency". Arkiveret fra originalen 2. juni 2008. Hentet 14. maj 2008.

webelements.com (Global: 4,345^th place; Danish: 3,806^th place)

"WebElements Periodic Table: Professional Edition: Helium: key information". Arkiveret fra originalen 9. maj 2008. Hentet 6. juli 2008.

wesleyan.edu (Global: 8,923^rd place; Danish: low place)

fellis.web.wesleyan.edu

Ellis, Fred M. "Third sounds". Wesleyan Quantum Fluids Laboratory. Hentet 2008-07-23.

wisc.edu (Global: 891^st place; Danish: 1,094^th place)

fti.neep.wisc.edu

"FTI Research Projects :: 3He Lunar Mining". Arkiveret fra originalen 4. september 2006. Hentet 6. juli 2008.

worldcat.org (Global: 4^th place; Danish: 14^th place)

C. Malinowska-Adamska, P. Soma, J. Tomaszewski (2003). "Dynamic and thermodynamic properties of solid helium in the reduced all-neighbours approximation of the self-consistent phonon theory". physica status solidi (b). 240 (1): 55-67. doi:10.1002/pssb.200301871. ISSN 0370-1972.{{cite journal}}: CS1-vedligeholdelse: Flere navne: authors list (link)
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yutopian.com (Global: low place; Danish: low place)

Yuan, Sidney. "The Two Fluid Model of Superfluid Helium (He II, Superfluidity)". Yutiopian.com. Hentet 2008-07-23.

Helium (Danish Wikipedia)

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nature.com (Global: 207th place; Danish: 192nd place)

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acs.org (Global: 865^th place; Danish: 1,030^th place)

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cam.ac.uk (Global: 569^th place; Danish: 849^th place)

cern.ch (Global: 2,552^nd place; Danish: 1,109^th place)

doi.org (Global: 2^nd place; Danish: 9^th place)

environmentalchemistry.com (Global: low place; Danish: 9,430^th place)

google.co.uk (Global: 1,519^th place; Danish: 2,789^th place)

ingentaconnect.com (Global: 3,367^th place; Danish: 2,339^th place)

jstor.org (Global: 23^rd place; Danish: 111^th place)

lanl.gov (Global: 5,474^th place; Danish: 2,450^th place)

leidenuniv.nl (Global: 5,966^th place; Danish: 6,662^nd place)

livescience.com (Global: 1,726^th place; Danish: 331^st place)

nap.edu (Global: 2,540^th place; Danish: 1,491^st place)

nasa.gov (Global: 12^th place; Danish: 99^th place)

nationalacademies.org (Global: 5,043^rd place; Danish: low place)

nature.com (Global: 207^th place; Danish: 192^nd place)

nih.gov (Global: 5^th place; Danish: 16^th place)

rubicon-foundation.org (Global: low place; Danish: 3,357^th place)

sciencemag.org (Global: 1,019^th place; Danish: 403^rd place)

slate.com (Global: 409^th place; Danish: 731^st place)

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