Mathur, S.M. . Guide to Field Geology / Textual Documents S.M. Mathur. - 1st ed. / - New Delhi : Prentice-Hall of India(Pvt Ltd) , 2001. - xiv, 203p. : ill. ; 21cm . Index ISBN: 81-203-1915-X Subjects--Index Terms: Geology PG-Geology Dewey Class. No.: 550 / Ma 43 Gu