World population trends and policies :   1981 monitoring report. 

 - New York :  United Nations ,  1982 
 - 2 vols. :  ill. ;  28 cm.  
 - Population studies, 79  .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Gov. Doc. Class. No.: </label>UN DIESA PS-79