Odum, Eugene P. 1913-2002. Fundamentals of ecology / [by] Eugene P. Odum.- - Third edition.- - Philadelphia, Saunders, 1971. - xiv, 574 pages : illus. (part col.), maps. ; 27 cm Bibliography: pages 517-555. ISBN: 0721669417 Subjects--Topical Terms: Ecology. LC Class. No.: QH541 / .O3 1971