National library and information needs : alternative means of fulfilment, with special reference to the role of national libraries - Line, Maurice B.; General Information Programme and UNISIST, UNESCO (Paris : General Information Programme and UNISIST, UNESCO, 1989)
"PGI-89/WS/9 ; Paris, June 1989"
Keywords: National libraries -- Aims and objectives; Information policy; Libraries and state; Science -- Information services