Landis, Geoffrey A., Colozza, Anthony, and LaMarre, Christopher M., Atmospheric Flight on Venus (pdf), International Astronautical Federation Congress 2002, paper IAC-02-Q.4.2.03, AIAA-2002-0819, AIAA0, No. 5
doi.org
Landis, Geoffrey A. (). „Colonization of Venus”. Conference on Human Space Exploration, Space Technology & Applications International Forum, Albuquerque NM. doi:10.1063/1.1541418.