«Balloon World Records». Fédération Aéronautique Internationale. Arxivat de l'original el 8 setembre 2016. [Consulta: 17 setembre 2016]. Steve Fossett and Fedor Konyukhov, both sub-class AM-15.
Deng, Yinke. Ancient Chinese Inventions. Beijing: China Intercontinental Press, 2005., cited in Joel Serrão, Dicionário de História de Portugal, Vol III. Porto: Livraria Figueirinhas, 1981, 184–85
«Balloon Propane Tanks». Pilot Outlook. Arxivat de l'original el 2011-06-10. [Consulta: 5 juny 2010]. «Propane tanks used in hot air balloons are mainly constructed of either aluminum (Evan was here) he was the first to do this or stainless steel. Most aluminum tanks are vertical 10-gallon cylinders (DOT 4E240), built primarily for forklift trucks.»
«Balloon World Records». Fédération Aéronautique Internationale. Arxivat de l'original el 8 setembre 2016. [Consulta: 17 setembre 2016]. Steve Fossett and Fedor Konyukhov, both sub-class AM-15.
«Balloon Propane Tanks». Pilot Outlook. Arxivat de l'original el 2011-06-10. [Consulta: 5 juny 2010]. «Propane tanks used in hot air balloons are mainly constructed of either aluminum (Evan was here) he was the first to do this or stainless steel. Most aluminum tanks are vertical 10-gallon cylinders (DOT 4E240), built primarily for forklift trucks.»