Enger, Eldon D. Concepts in biology / Eldon D. Enger, Frederick C. Ross. - 9th ed. - Boston : McGraw-Hill, c2000. - xii, 532 p. : ill. ; 28 cm + 1 computer laser optical disc (4 3/4 in.) Includes index. ISBN: 0697360520 : KES 550 (donation) Subjects--Topical Terms: Biology. LC Class. No.: QH308.2 / .E54 2000