Parasnis, D. S. Principles of applied geophysics / D.S. Parasnis. - 4th ed. - London : Chapman and Hall, 1986. - x, 402 p. : ill. ISBN: 0412283204 0412283301 (Science paperbacks : pbk.) Subjects--Topical Terms: Prospecting--Geophysical methods. LC Class. No.: TN269 / .P32 1986 Dewey Class. No.: 622/.15�19