ESTEC : European space research and technology centre / ESA, European space agency Kosmos en mens / J.M.J. Kooy national meteorological satellite program Hearings before the Committee on Science and Astronautics U.S. House of Representatives 87th Congress first session, 25-27 july 1961 Rocket and space scope Voorbij de horizon / A.J. Kampstra agard conference proceedings Automation in manned aerospace systems Proceedings of a Conference on results of the first U.S. manned suborbital space flight, June 6, 1961, U.S. department of state auditorium / National Aeronautics …
