U.S. Department of Defense FOIA Reading Room· 1983-09· 6 pages· 1 page mentions it
p. 5…ent angular velocity observed at different locations, the Zijinshan
Astronomical Observatory and the Sichuan UFO Research Association
independently conducted calculations…
p. 6…ent angular velocity observed at different locations, the Zijinshan
Astronomical Observatory and the Sichuan UFO Research Association
independently conducted calculations…