Proceedings of the international symposium on equatorial aeronomy held at Ibadan University on 4-11 September 1972 edited by Ebun Oni - Fort Belvoir Defense Technical Information Center 1979 - xLiii+861p. figs; refs; tables Subjects--Topical Terms: Equatorial Aeronomy Universal Decimal Class. No.: 551.510.535.4(063):550.38 / ONI