Report 

 - New York  United Nations          1976 
 - xii, 135p  cm. 
<br/><br/> Supp. no. 23 (A/9623/Rev. 1); App.: 119-135p 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>V1N45,933:8.N74r, L4,23.4 /UN