Selected papers from the 26th International Astronautical Congress : Lisbon, Portugal, 21-27 September 1975 /
International Astronautical Congress(26th :1975 :Lisbon, Portugal)
Napolitano, Luigi G.
Oxford : Pergamon,
c1976.
"Published as a special issue of the Journal "Acta Astronautica", Volume 3, Number 5-6"--T.p. verso.
Includes bibliographical references.
Astronautics.