Alʹpert, Yakov L. Radio wave propagation and the ionosphere v. 2 : propagation of electromagnetic waves near the earth Yakov L. Alʹpert - New York Consultants Bureau 1974 - xiii+268p. figs; refs; tables ISBN: 306171422 Subjects--Topical Terms: AtmosphereElectromagnetic WavesIonosphereIonospheric-wave PropagationRadio-wave Propagation Universal Decimal Class. No.: 551.510.535.4:621.372 / ALP