1.
Visions of Tomorrow: A Focus on National Space Transportation Issues, 25th Goddard Memorial ...
by Soffen, Gerald A.
ISBN: 9780877032755
List Price: $45.00
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Biological Life Support Systems
by Nelson, Mark, Soffen, Gerald
ISBN: 9780907791225
List Price: $9.95
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Human Quest in Space: 24th Goddard Memorial Symposium : Proceedings of a Conference Held Mar...
by Gerald L. Burdett, Gerald A...
ISBN: 9780877032632
List Price: $45.00
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Human Quest in Space 24th Goddard Memorial Symposium
by Burdett, Gerald L., Soffen,...
ISBN: 9780877032625
List Price: $55.00
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Visions of Tomorrow A Focus on National Space Transportation Issues 25th Goddard Memorial S...
by Soffen, Gerald A.
ISBN: 9780877032748
List Price: $55.00