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DeHart, F.E.; Matthews, K.: Subject enhancements and OPACs : planning ahead (1990) 0.01

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Barnes, S.; McCue, J.: Linking library records to bibliographic databases : an analysis of common data elements in BIOSIS, Agricola, and the OPAC (1991) 0.01

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Date: 8. 1.2007 17:22:25

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