Yearbook of International Organizations, Vol.III:Subject vol. :  Global Action Networks; classiged directory by subject and region / 
Union of International Associations. 
 - 10th ed. 
 - Munchen ;  New York :  K.G.Saur,  1992. 
 - 1576 p. 
<br/><br/><label>ISBN: </label>3-598-22215-7