Seifert, Howard S. Orbital space flight : the physics of satellite motion - New York : Holt, Rinehart and Winston, 1964 - 139 p. : il. - Holt library of science. Series II ; no. 19 . Subjects--Topical Terms: ASTRODINAMICASATELITES ARTIFICIALES--ORBITAS Dewey Class. No.: 629.434 / S459