Graham, Tom M. Biology, the essential principles / Tom M. Graham. - xi, 736 p. : ill. (some col.) ; 27 cm. Includes index. CAS ISBN: 0030578388 LCCN: 81053071 Subjects--Topical Terms: Biology. LC Class. No.: QH308.2 / .G723 Dewey Class. No.: 570/G76