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Page 14 |
| Small Engine | Small Car | Large Car | Airplane, | Airliner | Industrial | Nuclear |
|---|---|---|---|---|---|---|
| (Lawn Mower) | or Truck | Helicopter | Plant | Power Station |
| 1 | XXXXXXXX | |||||
| 2500-30000 MW | ||||||
| 2 | XXX | |||||
| 2.3 Mw | ||||||
| 3 | XXXXXXX | |||||
| 500-900 Mw | ||||||
| 4 XXXXXX | ||||||
| 5 | XXXXXXXXXXXXXXXXXXXXX | |||||
| 160 Kw - 5 Mw | ||||||
| 6 | XXXX | |||||
| 4.4 Mw |
Altschuler, M.D. (1968). Scientific Study of Unidentified Flying Objects. E. Gilmore, Ed. Air Force Office of Aerospace Research and New York: Bantam Books, 733.
Condon, E. (1969). Scientific Study of Unidentified Flying Objects. New York: Bantam.
Klass, P. (1968). UFOs Identified. New York: Random House.
Vallee, J. F. (1990). Confrontations. New York: Ballantine, 27-41. See also pages 238-241 for the classification system used in this paper.
Von Ludwiger, I. (1995). "Die ungewoehnlichen Lichterscheinungen ueber Greifswald" in UFOs- Zeugen und Zeichen, pp. 251-257. Berlin: publisher unknown.
