Ratcliffe, J. A. The magneto-ionic theory and its applications to the ionosphere : a monograph / J. A.Ratcliffe - Cambridge [Eng.] : University Press, 1959. - 206 p. : ill. ; 23 cm. Includes index and bibliography. Subjects--Topical Terms: Magnetoionic theory. Dewey Class. No.: 537.12 / RAM 1959