Mathur, S. M. Elements of geology / S. M. Mathur. - New Delhi : Prentice Hall of India, c 2008. - vii, 155 p. : ill. ; 22 cm. Includes index. 338 338 ISBN: 978-81-203-3515-8 Subjects--Topical Terms: Geology. Dewey Class. No.: 551 / M42e