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Unconventional Flying Objects: A Scientific Analysis

by Paul R. Hill

ISBN 13: 9781571740274

Format: Paperback (432 pages)
Publisher: Hampton Roads Publishing Co
Published: 23 Mar 1995

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Unconventional Flying Objects: A Former NASA Scientist Explains How UFOs Really Work

by Paul R. Hill

ISBN 13: 9781571747136

Format: Paperback (432 pages)
Publisher: Hampton Roads Publishing
Published: 30 Jun 2014

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