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Informatics 10: prospects for intelligent retrieval : Proc. of a conference jointly sponsored by Aslib, the Aslib Informatics Group and the Information Retrieval Specialist Group of the British Computer Society, King's College, Cambridge, 21.-23.3.1989 (1990)
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Subject authorities in the online environment : papers from a conference program held in San Francisco, 29.6.1987 (1991)
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Principles underlying subject heading languages (SHLs) (1999)
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