World population trends and policies :  1977 monitoring report / 
United Nations, Department of Economic and Social Affairs 
 - 2 volúmenes 
 - Population studies ;  no. 62 [Document] - United Nations ;  ST/ESA/SER.A/62 .
 - Population studies (New York, N.Y.) ;  no. 62 .
<br/><br/> "United Nations publication. Sales no. E.78.XIII.3[-4]"  "ST/ESA SER.A/62" 
<br/><br/> Population trends --  Population policies  v. 1.  v. 2. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Población
<br/><br/><label>LC Class. No.: </label>HB871  / W67 1979 
<br/><br/><label>Dewey Class. No.: </label>300 s  304.6