Keeton, William T. Biological science by William T. Keeton. - 3rd ed. - New York W. W. Norton & Co. c1980. - xv, 1080, 51 p. : ill. ; 26 cm. Includes bibliographies and index. ISBN: 0393950212 Subjects--Topical Terms: Biology. Dewey Class. No.: Cir 574 K24 1980