Hudson Travis Living with earth Introduction to environmental Geology. - New Delhi PHI Learning Pvt Ltd 2011 - xxi, 491p Glossary:G1-G10 cm. ISBN: 9788120344136 637.5 Source: IN1266, 03/02/2012, R K Books General Book Subjects--Topical Terms: Geography Dewey Class. No.: H:(G:55), Q1