Bell X-1 (Esperanto Wikipedia)

Analysis of information sources in references of the Wikipedia article "Bell X-1" in Esperanto language version.

refsWebsite

Global rank Esperanto rank

2news.google.com

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1britannica.com

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23^rd place

britannica.com

Bell X-1 (angle). Encyclopedia Britannica. Alirita 8 December 2022.

nasa.gov

Hallion, Richard P.. (2012) “Chapter 10: The NACA, NASA, and the Supersonic-Hypersonic Frontier”, NASA 50th Anniversary Proceedings : NASA's First 50 Years, Historical Perspectives. US National Aeronautics and Space Admin, p. 223–274. ISBN 978-0-16-084965-7.

news.google.com

"Flights 'much faster than sound' confirmed by the U.S. Air Force", June 10, 1948, paĝo 1, part 1. ^{[rompita ligilo]}
"Two U.S. planes fly faster than sound", June 11, 1948, paĝo 4.