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Jacob, E.K.; Albrechtsen, H.; George, N.: Empirical analysis and evaluation of a metadata scheme for representing pedagogical resources in a digital library for educators (2006)
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Gardner, T.; Iannella, R.: Architecture and software solutions (2000)
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Peereboom, M.: DutchESS : Dutch Electronic Subject Service - a Dutch national collaborative effort (2000)
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Heery, R.: Information gateways : collaboration and content (2000)
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