Petersen, William. <br/><br/>
Population. 

 - 2nd ed. 
 - New York:  Macmillan,  1969. 
 - xv, 735 p. :   ill. ;   25 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population.