Enger, Eldon D. Concepts in biology : student study guide / Eldon D. Enger, Frederick C. Ross - 8th ed - Dubuque, IA : Wm.C.Brown, c1996 - v, 126 p. : illus ISBN: 0697272095 Subjects--Topical Terms: Biology. Dewey Class. No.: 570 / E57C