Simpson, George Gaylord <br/><br/>
Life  : an introduction to biology / 
George Gaylord Simpson and William S. Beck 
 - Shorter edition 
 - New York  : Harcourt Brace & World Inc.,  1969 
 - 546 p. 
<br/><br/><label>LCCN: </label>69014399 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>LC Class. No.: </label>QH308