Krohne, David T. General ecology / Krohne, David T. - 2nd ed. - Australia : Brooks / Cole 2001 - xvi, 512 p. ill. ; 29 cm. Includes bibliographical references and index. ISBN: 0-534-37528-6 Subjects--Topical Terms: Ecology. LC Class. No.: QH 541 / .K75 2001