Hess, Darrel . Mcknight`s physical geography: a landscape appreciation / by Darrel Hess. - 10th ed / - New Delhi : PHI Learning Private Ltd. , 2011 - 554p, I-6 : ISBN: 978-81-203-4412-9 Subjects--Topical Terms: Physical Geography Dewey Class. No.: U2 / Q1;1