J. Allen Hynek's methodological and case-based study of UFO reports, including witness evaluation, strangeness/probability ratings, six observational categories, Project Blue Book history, and proposals for scientific study.
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// EDITIONS & BIBLIOGRAPHY
SRC-002104Tier 2
1974 Corgi Books edition
Publication: 1974-01-01
Publisher: Corgi Books / Transworld Publishers Ltd. · United Kingdom
Language: en
Edition verification: reported
ISBN: 0-552-09430-7
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