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