The next century: prospects for space : selected papers presented at the 42nd International Astronautical Federation Cngress, Montreal, Canada, 7-11 October 1991
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書誌事項
The next century: prospects for space : selected papers presented at the 42nd International Astronautical Federation Cngress, Montreal, Canada, 7-11 October 1991
(Acta astronautica / International Academy of Astronautics, v.26,
Pergamon, 1992