http://www.dailymail.co.uk/travel/travel_news/article-3452785/The-world-s-supersonic-passenger-jet.html
https://en.wikipedia.org/wiki/Supersonic_aircraft
Gunston, Bill (2008). Faster than Sound: The Story of Supersonic Flight. Somerset, UK: Haynes Publishing. ISBN 978-1-84425-564-1.