Garland, George D. 1926- Introduction to geophysics: mantle, core, and crust [Book] / [by] George D. Garland. - Philadelphia, : Saunders, 1971. - xiv, 420 p. : illus., charts, maps. ; 25 cm. All. ISBN: 0721640257 Subjects--Topical Terms: Geophysics. Dewey Class. No.: 551