TY - BOOK AU - Keeton,William T. AU - Gould,James L. AU - Gould,Carol Grant TI - Biological science SN - 0393962237 (cl) AV - QH308.2 .K25 1993 U1 - 574 20 PY - 1993/// CY - New York PB - Norton KW - Biology N1 - Includes bibliographical references and index ER -