Compilation of papers presented by the space physics division at the ionospheric effects symposium IES 1978 - Massachusetts Air Force Geophysics Laboratory 1978 - 161p. figs; tables - Air Force Geophysics Laboratory-TR . Subjects--Topical Terms: IonosphereIonospheric EffectsSpace Physics Universal Decimal Class. No.: 551.510.535.4 / AFGL