UFO Update: Tunguska
From Author Wars - https://authorwars.com/books/ufo-update-tunguska-119497.html
Overview:
- Title: UFO Update: Tunguska
- Author: James Oberg
- Year: 1979
- Type: Essays
Editions/Publications:
- Unknown. Omni, October 1979 (Unknown, James Oberg, Omni Publications International Ltd., $2.00, 180 pages, bedsheet, MAGAZINE)