Gaskell, Thomas Frohock. Physics of the earth / [by] T. F. Gaskell. - London : Thames & Hudson, 1970. - 216 p. : ill. (some col.), maps (some col.) ; 22 cm. - The World of science library . Includes bibliographical references (p. 209-210). ISBN: 050008002X LCCN: 77-462550 Subjects--Topical Terms: Geophysics.-------- Dewey Class. No.: 551