Ratcliffe, J. A. Introduction to the ionosphere and magnetosphere J. A. Ratcliffe - Cambridge Cambridge University Press 1972 - x+256p. illus; Appdx;Bibl;Index ISBN: 0-521-08341-9 Subjects--Topical Terms: IonosphereMagnetosphereUpper Atmosphere Universal Decimal Class. No.: 551.510.535/.537 / RAT