Odum, Eugene Pleasants, 1913- Fundamentals of ecology / [by] Eugene P. Odum. - 3rd ed. - Philadelphia : Saunders, 1971. - xiv, 574 pages : illustrations (some color), maps ; 27 cm Bibliography: p. 517-555. ISBN: 0721669417 LCCN: 76081826 Subjects--Topical Terms: Ecology. Dewey Class. No.: 577