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Beatty, S.: Table of contents or index data for subject enrichment : sources and developments (1993)
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Drabenstott, K.M.; Vizine-Goetz, D.: Using subject headings for online retrieval : theory, practice and potential (1994)
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Reed-Scott, J.: OCLC RetroCon project for preservation microfilm masters completed (1998)
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Keyser, P.d.: Conversie van bibliografische gegevens (1997)
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Vizine-Goetz, D.: ¬The Dewey Decimal Classification as an online classification tool (1992)
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