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Durrance, J.C.: Information needs : old song, new tune (1989)
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Christensen, K.; Engelstad, K.; Lageggen, D.: Electronic libraries in Norway (1998)
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Shaw, D.: Challenges of information technology in improving information services (1997)
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East, H.; Tilson, Y.: ¬The liberated enduser : developments in practice and policy for database provision to the academic community (1993)
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