Note III-4 — Chapter III · AIR-BORNE UFOS: BALLOONS TO BUBBLES
Reading edition
Tacker, L. J. Flying Saucers and the U. S. Air Force. Princeton, N.J.: D. Van Nostrand Co., 1960.
Reading edition
Tacker, L. J. Flying Saucers and the U. S. Air Force. Princeton, N.J.: D. Van Nostrand Co., 1960.