Gunstream, Stanley E. & Babel, John S. <br/><br/>
Explorations in basic biology 

 - 5th ed 
 - MacMillan publishing company, New York  1989 
 - ix,448p 
<br/><br/><label>ISBN: </label>0-02-348511-6 
<br/><br/><label>Dewey Class. No.: </label>574 Gun/Bab