RAVEN, Peter H. <br/><br/>
Uunderstanding Biology 

 - 2nd ed. 
 - Oxford.  Wm.C. Brown publishers-  1991 
 - xxvi, 1025 
<br/><br/><label>ISBN: </label>0-697-23503-3 
<br/><br/><label>Dewey Class. No.: </label>570