Simpson, George Gaylord, 1902-  Simpson, George Gaylord, 1902- <br/><br/>
Quantitative zoology. 

 - Rev. ed. 
 - New York :  Harcourt, Brace,  [1960] 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>59006483 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology.<br/>Biomathematics.