United Nations. Economic & Social Affairs, Department of-. <br/><br/>
Concise summary of the World population situation in 1970   

 - New York  United Nations  1971 
 - iii, 35p. 
 - Population studies, no.48 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>312  / Un58.CS