Petersen william <br/><br/>
Population / 
by William Petersen 
 - London :  Macmillan company,  1970. 
 - 731p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population
<br/><br/><label>Dewey Class. No.: </label>304.6  / PET