Ruppelt, Edward J. The report on unidentified flying objects. [electronic resource] . — [1st ed.]. — Garden City, N.Y., : Doubleday,, 1956.. — 315 p. 22 cm. LCCN: 56005444 Subjects--Topical Terms: Unidentified flying objects. LC Class. No.: TL789 / .R8 Dewey Class. No.: 629.133 629.13*