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Challenge to Science: The UFO Enigma, Jacques Vallée
- Language
- Released
- 1977
- product-detail.submit-box.info.binding
- (Paperback)
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- Title
- Challenge to Science: The UFO Enigma
- Language
- English
- Authors
- Jacques Vallée
- Publisher
- Ballantine Books
- Released
- 1977
- Format
- Paperback
- Category
- Ufology