Giraud, Alain Ionospheric techniques and phenomena Alain Giraud and Michel Petit - Dordrecht D. Reidel 1978 - xx+264p. figs; index; plates; refs; tables - Geophysics and Astrophysics Monographs . ISBN: 90-277-0499-6 Subjects--Topical Terms: IonosphereIonospheric Techniques Universal Decimal Class. No.: 550.510.535.4 / GIR