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Dykstra, M.: Can subject headings be saved? (1988)
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Dykstra, M.: LC subject headings disguised as a thesaurus (1988)
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Dykstra, M.: Subject indexing and retrieval: what more can technology do? (1987)
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Dykstra, M.: ¬The lion that squeaked (1978)
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Dykstra, M.: Canada's role in bridging the North American / European approach to classification (1990)
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Austin, D.: PRECIS (2009)
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Austin, D.: PRECIS: Introduction (1987)
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DeHart, F.E.; Glazier, J.: Computer searching on PRECIS : an exploration of measuring comparative retrieval effectiveness (1984)
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Hsueh, L.-K.: ¬The application of PRECIS in indexing Chinese documents : an experimental study (1993)
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Matter, R.: PRECIS als zwischensprachliches System (1979)
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