Parasnis, D.S. Principles of applied geophysics / D.S. Parasnis. - 5th ed. - London : Chapman & Hall, 1997. - xiii, 429 p. : ill. ; 25 cm. Includes bibliographical references and index. ISBN: 0412640805 Subjects--Topical Terms: Geophysics.Prospecting--Geophysical methods. Dewey Class. No.: 551