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Heery, R.; Carpenter, L.; Day, M.: Renardus project developments and the wider digital library context (2001)
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Dempsey, L.: Metadata: a UK HE perspective (1997)
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Campbell, D.: Australian subject gateways : political and strategic issues (2000)
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Wheatley, A.; Armstrong, C.J.: Metadata, recall, and abstracts : can abstracts ever be reliable indicators of document value? (1997)
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Koch, T.: Quality-controlled subject gateways : definitions, typologies, empirical overview (2000)
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