Enger, Eldon D. Concepts in Biology / Eldon D. Enger - 7th ed - Dubuque, Lowa : Wm. C. Bron Publishers, 1994 - 460 p : ill ISBN: 0697136450 200 Subjects--Topical Terms: Biology. LC Class. No.: QH308.2 / E57 C6 1994