Simpson, George Gaylord,  1902-1984. <br/><br/>
Tempo and mode in evolution / 
George Gaylord Simpson 
 - New York :  Columbia University Press,  1944 (reprinted 1984) 
 - x, 237 p. :  ill. ;  23 cm. 
 - A Columbia classic in evolution .
<br/><br/> Includes index 
<br/><br/>Bibliography: p. [219]-226 
<br/><br/><label>ISBN: </label>0231058470 :  USD 29.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology<br/>Evolution (Biology)
<br/><br/><label>Dewey Class. No.: </label>575