Krohne, David T. General ecology / - 2nd ed. - Pacific Grove, CA : Brooks/Cole, c2001. - xvi, 512 p. : ill. (some col.), maps (some col.) ; 28 cm. ISBN: 0534375286 (alk. paper) Subjects--Topical Terms: Ecology. Dewey Class. No.: 577 BRO 2001 A030 Or.