Note V-7 — Chapter V · OUT OF THE SKY: METEORS AND FIREBALLS
Reading edition
Ruppelt, E. J. The Report on Unidentified Flying Objects. Garden City, N.Y.: Doubleday & Co., 1956.
Reading edition
Ruppelt, E. J. The Report on Unidentified Flying Objects. Garden City, N.Y.: Doubleday & Co., 1956.