CS1 maint: multiple names: authors list• Leicester, UK: Midland Publishing, 2006 | "The quantum inequalities do not forbid spacetime shortcuts" |
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Skeptical but balanced analysis of 1300 UFO cases | , The UFO Book: Encyclopedia of the Extraterrestrial, 1998, Visible Ink Press, ISBN 1-57859-029-9 |
" The author traveled the United States with his camera and tape recorder and directly interviewed many individuals.
12, UFOs and the National Security State: An Unclassified History, Volume One: 1941-1973, 2000, Keyhole Publishing, ISBN 0-9666885-0-3 | McCampbell, Ufology: A Major Breakthrough in the Scientific Understanding of Unidentified Flying Objects, 1973, 1976, Celestial Arts, ISBN 0-89087-144-2 |
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The UFO Verdict: Examining the Evidence, 1986, ISBN 0-87975-338-2• , "Flying Saucers: A Modern Myth of Things Seen in the Skies" translated by R | The UFO Evidence: Volume 1 |
Pro and con articles by scientists, mostly to the skeptical side.