Owen, D. F. What is ecology / by D. F. Owen - London : Oxford University Press, 1974 - xii, 188 p. : ill., plates ; 21 cm. Includes index Bibliography: p. 181-184 ISBN: 0198880944 0198850948 (pbk) : USD 95.00 Subjects--Topical Terms: EcologyBiotic Communities Dewey Class. No.: 574.5