Applied sciences research and utilization of lunar resources proceedings of the fourth Lunar International Laboratory (LIL) Symposium; organized by the International Academy of Astronautics at the XIXth International Astronautical Congress, New York, 17 October 1968
Lunar International Laboratory Symposium4th1968New York.
Malina, Frank Joseph.
International Astronautical Congress19th1968New York.
Oxford Pergamon
1970
Moon
Lunar bases