Raven, Peter H. Johnson, George B. <br/><br/>
Understanding biology 

 - Missouri  Mosby  1988 
 - 799  p. 
<br/><br/><label>ISBN: </label>8-8016-2518-1 
<br/><br/><label>Dewey Class. No.: </label>CIR  574 R38 1988