00857nam a2200301 4500 000 20150410090237.0 000 000 70527608 B70-22382 0303178949 UOEL DLC DLC QC879 .R36 1970b 551.5/145 Ratcliffe, J. A. (John Ashworth) Sun, earth and radio: an introduction to the ionosphere and magnetosphere [by] J. A. Ratcliffe. London, Weidenfeld & Nicolson, 1970. 256 p. illus. 20 cm. 35/- World university library Bibliography: p. 247-248. Ionosphere. Magnetosphere. Ionospheric radio wave propagation. 7 cbc orignew 3 ncip 19 y-gencatlg lcc LL 4470 4470 0 0 lcc 0 0 UOE UOE GEN 2015-04-10 0 QC879 .R36 1970b 10038157 2026-04-27 12:05:32 10038157 2015-04-10 LL