Keeton, William T. <br/><br/>
Elements of biological science / 
William T. Keeton. 
 - 2nd edition. 
 - New York :  W.W. Norton,  1973. 
 - xiv, 583 pages  illustrations (some colored) ;  26 cm 
<br/><br/> Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.