Schefler, William C. <br/><br/>
Biology :  principles and issues / 
William C. Schefler. 
 - Reading, Mass :  Addison-Wesley Pub. Co,  c1976. 
 - xiii, 370 p. :  ill. ;  24 cm. 
 - Addison-Wesley series in the life sciences. .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0201067641 (cased.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.