Understanding population 

 - New York:      FF,  c1976     
 - ii,39p.:  ill.;  15 cm. 
<br/><br/> Includes Appendix 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population
<br/><br/><label>Dewey Class. No.: </label>301.32  / UND