United Nations documents index. 

 - New York  United Nations          1981 
 - xviii, 135p.  cm. 
<br/><br/> U.N. Bibliographic information system (UNBIS). 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>V1N45.N81a, M1.3-3/UN