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Those mysterious UFOs: The story of unidentified flying objects
David C Knight
Hardcover (Parents' Magazine Press, March 15, 1975)Discusses sightings of flying saucers and other unidentified flying objects and possible explanations of these phenomena.
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Those mysterious UFOs : the story of unidentified flying objects
David C. Knight
Paperback (Parents' Magazine Press, )None
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Those Mysterious Ufos: The Story of Unidentified Flying Objects
David C. Knight
Library Binding (Enslow Pub Inc, Oct. 1, 1975)Discusses sightings of flying saucers and other unidentified flying objects and possible explanations of these phenomena.
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