Concepts in biology / Eldon D. Enger ... [et al.]. - 6th ed. - Dubuque, IA : Wm. C. Brown Publishers, c1991. - xiii, 535 p. : ill. (some col.), col. maps ; 28 cm. Includes index. ISBN: 0697098885 0697121313 (cloth binding, standard interior stock) 0697137945 (cloth binding, recycled interior stock) 0697137465 (paper binding, recycled interior stock) LCCN: 90080266 Subjects--Topical Terms: Biology. LC Class. No.: QH308.2 / .C74 Dewey Class. No.: 574