Elder, John, The bowels of the earth / John Elder. - London ; New York : Oxford University Press, 1976. - vii, 222 p. : ill.; Pbk. Includes index. ISBN: 0198544138 : Subjects--Topical Terms: Geodynamics. LC Class. No.: QE501.2 / .E4 1978 Dewey Class. No.: 551.1