Electrical methods in geophysical prospecting, by George V. Keller and Frank C. Frischknecht. Keller, George Vernon, Frischknecht, Frank C. jt. aut. Electric prospecting. TN269 .K38 1966 622.15 KEE Includes bibliographical references and index. Oxford ; New York : Pergamon, 1966. 1966. 1966 Text vii, 519 p. : eng International series of monographs in electromagnetic waves, v. 10 International series of monographs on electromagnetic waves ; v. 10.