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Space Studies Institute Press 2000 Edition |
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Space Studies Institute Press 1989 Edition |
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Bruguera (Naranja) 1981 Spanish Edition |
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Mondadori 1979 Italian Edition |
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Bruguera 1979 Spanish Edition |
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Anchor Doubleday USA large paperback |
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Bantam 1978 USA paperback |
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Gottmer-Haarlem 1978 German Edition |
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Forum 1977 Greek Edition |
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Japanese Edition |
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William Morrow 1977 First Edition |
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All work contained herein
is protected The High Frontier book marketing project is a joint effort of the Space Studies Institute and the Space Frontier Foundation |