Semple Ellen C Ed. Environmental geography Influences on man on the basis of ratzel's system,2V - New Delhi Dominant publications 2009 - 306p cm. - 01389351 : V1 : 306p . ISBN: 8178886359 2125 Source: 226, 29/01/2009, PIONEER BOOK DISTRIBUTORS General Book Subjects--Topical Terms: Geography Dewey Class. No.: U:(G:55), P9.2