Report 

 - New York  United Nations          1976 
 - vii,106p  cm. 
<br/><br/> Supp. no. 18 A/31/18 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y7:4:5.IN45.N76r, L6,18