Ardagh, Martin. Understanding earth science / Martin Ardagh. - New Delhi : Random Publications, 2013. - viii, 304 p. : ill. ; 24 cm. Includes bibliography & index. ISBN: 9789382226697 (hbk.) Subjects--Topical Terms: Earth sciences.Geology. LC Class. No.: QE26.3 / .E25 2012 Dewey Class. No.: 550 / ARD