Krohne, David T. General ecology / David T. Krohne - Second edition. - Pacific Grove, CA : Brooks/Cole, 2001 - xvi, 512 pages. : illustration. (some col.), maps (some col.) ; 28 cm. Includes bibliographical references (p. 459-483) ISBN: 0534375286 RM309.34 Subjects--Topical Terms: Ecology