Astronautics for peace and human progress : proceeding of the Internatioanl Astronautical Congress, 29th, Dubrovnik, 1-8 October 1978
Pergamon Press, 1979
Buku Teks SO
Space and energy : proceedings of the XXVIth International Astronautical Congress, Lisbon, 21-27 September 1975
edited by L.G. Napolitano
Pergamon Press, 1977
Buku Teks SO
Space stations present and future : proceedings of the 25th International Astronautical Congress, Amsterdam, the Netherlands, 30 September-5 October, 1974
editor, L.G. Napolitano, P. Contensou and W.F. Hilton
Pergamon Press , 1976
Buku Teks SO
International economic report of the President : transmitted to the Congress January 1977
Government Printing , 1977
Buku Teks SO
International economic report of the President : transmitted to the Congress January 1977
Government Printing , 1977
Buku Teks SO