Adreßbücher:Informationsdienste 


Inventory selective information-services.-Selective 
Inventory of Information Services. Prepared by the 
Unesco Social Science Documentation Centre ... 
Inventaire selectif des services d'information ... 
Inventario selectivo de servicios de informaci6n .. 
-(Paris): Unesco (1981). XXI, 140 S. 8° 
(~orld social science information services. 3.)