Petersen, William. <br/><br/>
Population / 
William Petersen. 
 - 3rd ed. 
 - New York :  Macmillan,  1969. 
 - xi, 784 p. :  ill. 
<br/><br/><label>ISBN: </label>0023948809 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population.