Suhoi-Gulfstream S-21 (Finnish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Suhoi-Gulfstream S-21" in Finnish language version.

refsWebsite

Global rank Finnish rank

low place

low place

1popularmechanics.com

1,808^th place

1,909^th place

popularmechanics.com

Chris Clarke: 11 Outlandish Attempts To Build The Next Concorde popularmechanics.com. 31.3.2014. Viitattu 30.03.2021. (englanniksi)

sai-qsstx.com

Michael Paulson: [https://sai-qsstx.com/pdf/JMP-ProPilot%20Article-March%202014.pdf Supersonic: The next renaissance in the global business jet industry] Professional Pilot. 24.10.2015. Viitattu 14.12.2018. (englanniksi)