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by: Michael H. Hart · Ben ZuckermanPaperback details (United Kingdom). details (USA). details (Germany). details (Canada). ISBN: 978-0-08-026341-0 ISBN-10: 0-08-026341-0 Pergamon Press · 1982 |
| See also: | ||
| 2009 | Printed Access Code | Extraterrestrials: Where Are They? |
| 2008 | Paperback | Extraterrestrials 2ed: Where Are They? |
| 1995 | Hardcover | Extraterrestrials: Where Are They? |
| 1982 | Hardcover | Extraterrestrials: Where are They? |