Enger,Eldon. <br/><br/>
Concept In Biology 
by Eldon D. Enger 
 - 12th Ed.   Rep. 
 - Boston:  Mc Graw Hill ,  2007. 
 - 664p.:  15cm. 
<br/><br/><label>ISBN: </label>978007298657 
<br/><br/><label>Dewey Class. No.: </label>574