The next century: prospects for space: Selected papers presented at the 42nd International Astronautical Federation congress, Montreal, Canada, 7 - 11 October 1991. Pergamon Pr.
Chicago Style (17th ed.) CitationThe Next Century: Prospects for Space: Selected Papers Presented at the 42nd International Astronautical Federation Congress, Montreal, Canada, 7 - 11 October 1991. Oxford u.a: Pergamon Pr.
MLA (9th ed.) CitationThe Next Century: Prospects for Space: Selected Papers Presented at the 42nd International Astronautical Federation Congress, Montreal, Canada, 7 - 11 October 1991. Pergamon Pr.
Warning: These citations may not always be 100% accurate.