Enger, Eldon D. <br/><br/>
Concepts in Biology / 
Eldon D.  Enger;  Frederick C. Ross. 
 - 20th ed. 
 - Boston, New York :  McGraw-Hill;  c2005. 
 - iv, 300 p. :  ill. ;  28 cm 
<br/><br/><label>ISBN: </label>9780072986631 0072986638 
<br/><br/><label>Dewey Class. No.: </label>570  / ENG