UFO’s—
Subtitle: A Scientific Debate
By: edited by Carl Sagan and Thornton Page
Contributors: Page, Thornton.; Sagan, Carl, 1934-1996; American Association for the Advancement of Science.
Place of publication: Ithaca, NY
Number of pages: 310
Subjects: Unidentified flying objects -- Congresses
Notes: Papers presented at a symposium sponsored by the American Associaton for the Advancement of Science, held in Boston on Dec. 26-27, 1969.                                                        Includes bibliographies.

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