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kal k korff
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Spaceships of the Pleiades
Kal K. Korff · Prometheus Books
439 sayfa · 1995
Unidentified flying objects / Impostors and imposture / Sightings and encounters / Unidentified flying objects, sightings and encounters
The Roswell UFO crash
Kal K. Korff · Prometheus Books
291 sayfa · 1997
Unidentified flying objects / Conspiracies / Sightings and encounters / Unidentified flying objects, sightings and encounters / Life on other planets
The Meier incident--the most infamous hoax in ufology!
Kal K. Korff · W.L. Moore Publications & Research
124 sayfa · 1981
Unidentified flying objects / Sightings and encounters