t e m p o r a l
d o o r w a y
UFO Classification Systems
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Cashman Object Behavioral Classification System (added 3/1/98)
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Cashman Occupant Contact Classification System (added 10/6/98)
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An Analysis Of A Behavioral Classification System - This analysis is the next level of classification of the categories in those systems, and may suggest some aspects of low-level intent derived from accounts of the phenomenon. (added 12/29/98)