Johnson, George B. Human biology : exploring concepts / - Dubuque, Iowa : Wm. C. Brown Publishers, c1994. - xxiv, 406, [32] p. : ill. (some col.) ; 28 cm. Includes index. ISBN: 0697221733 Subjects--Topical Terms: Human biology.Human ecology. Dewey Class. No.: 612 BRO 1994 A055 Or.