Odum, Eugene P. 1913- Basic ecology / Eugene P. Odum. - Philadelphia : Saunders College, c1983. - x, 613 p. ill. 25 cm. Updated ed. of pt. 1 of: Fundamentals of ecology. 3rd ed. 1971 ISBN: 0030584140 Subjects--Topical Terms: Ecology. Dewey Class. No.: 574.5