TY - BOOK AU - Schmerling, Erwin R. AU - Langille, Robert Carden TI - Topside sounding and the ionosphere PY - 1969/// CY - New York PB - IEEE KW - AtmosphereIonosphereProceedingsTopside Sounding N1 - Special issue, June, 1969, 57, No.6, pp. 859-1187 ER -