On-line age /Plans and needs for on-line information retrieval, proceedings of the Eusidic conference, Oslo, 4th-5th December,1975 - London: Aslib, 1976 - 127p. - European user series 3 . Subjects--Topical Terms: Information retrieval Subjects--Index Terms: Delegates attending Service policies Universal Decimal Class. No.: D 002:681.32.022(082.2) / L6