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Ingwersen, P.; Wormell, I.: Modern indexing and retrieval techniques matching different types of information needs (1989)
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Settel, B.; Cochrane, P.A.: Augmenting subject descriptions for books in online catalogs (1982)
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Wormell, I.: Factual data retrieval according to SAP-technique (1983)
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- International forum on information and documentation. 8(1983), S.13-15
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Wormell, I.: Factual data retrieval according to SAP technique (1983)
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Wormell, I.: Subject Access Project : the use of book indexes for subject retrieval systems in libraries (1981)
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- International forum on information and documentation. 6(1981), S.24-28
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Mandel, C.: Enriching the library catalog record for subject access (1985)
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Riesthuis, G.J.A.; Colenbrander-Dijkman, A.-M.: Subject access to central catalogues : incompatibility issues of library classification systems and subject headings in subject cataloguing (1986)
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- Die Klassifikation und ihr Umfeld: Proc. 10. Jahrestagung der Gesellschaft für Klassifikation, Münster, 18.-21.6.1986. Hrsg.: P.O. Degens
