Fourth International Space Rescue Symposium held at the XXII Congress of the International Astronautical Federation, Brussels, Belgium, September 21, 1971 /
International Space Rescue Symposium(4th :1971 :Brussels)
International Astronautical Federation.
International Academy of Astronautics.
[S.l.] :  General Electric Company, 
1972.
At head of title: International Academy of Astronautics.
Space Rescue Operations