Yearbook of International Organizations, Vol.II: Geographic vol. :  International Organization Participation; country directory of secretariats and membership / 
Union of International Associations. 
 - 10th ed. 
 - München ;  New York :  K.G.Saur,  1992. 
 - 1664 p. 
 - 061-068 .
<br/><br/><label>ISBN: </label>3-598-22214-9 
<br/><br/><label>Dewey Class. No.: </label>061-068