Garland, George D. 1926- Introduction to geophysics : mantle, core, and crust / George D. Garland. - 2d ed. - Philadelphia : W. B. Saunders company, c1979. - xv, 494 p. : ill. ; 27 cm. Includes bibliographies and indexes. ISBN: 0721640265 Subjects--Topical Terms: Geophysics. Dewey Class. No.: 550 / GAI 1979