Odum, Eugene P. Fundamentals of ecology/ by Eugene P. Odum. - 3rd ed. - Philadelphia, : Saunders, 1971. - xiv, 574 p. illus. (part col.), maps. Bibliography: p. 517-555. ISBN: 0721669417 Subjects--Topical Terms: Ecology. Dewey Class. No.: 577 ODU/F