Simmons I G Ecology of natural resources - London Edward Arnold U K 1974 - "vii, 424p" cm. Bibliography p.382-405; Appendix:P 377-81; Index:P406-24 ISBN: 071315733X Standard No.: 138970 Source: Textbook Subjects--Topical Terms: Geography Dewey Class. No.: "U671, L4 D&W"