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  1. Austin, D.: ¬The development of PRECIS: a theoretical and technical history (1974) 7.64
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  2. Austin, D.; Digger, J.A.: PRECIS: The Preserved Context Index System (1977) 7.64
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  3. Mahapatra, M.; Biswas, S.C.: PRECIS: its history and application : an extented state-of-the-art review from the beginning up to 1982 (1983) 7.64
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  4. Dykstra, M.: Subject indexing and retrieval: what more can technology do? (1987) 7.64
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  5. Dykstra, M.: PRECIS in the online catalog (1989) 7.64
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  6. Supper, R.: Entwicklung und Grundprinzipien von PRECIS, einem computergestütztem Indexierungssystem (1985) 7.64
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  7. DeHart, F.E.; Glazier, J.: Computer searching on PRECIS : an exploration of measuring comparative retrieval effectiveness (1984) 7.64
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  8. Bett, C.E.: ¬The Subject Access Project : a comparison with PRECIS (1979) 7.64
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  9. Richmond, P.A.: Introduction to PRECIS for North American usage (1981) 7.64
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  10. Butcher, J.E.; Trotter, R.: Building on PRECIS : strategies for online subject access in the British Library (1989) 7.64
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  11. Austin, D.: Automatisierung in der Sacherschließung der British Library (1984) 7.64
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  12. Supper, R.: PRECIS, ein computerunterstütztes alphabetisches Indexierungssystem (1975) 7.64
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  13. Austin, D.: PRECIS: Grundprinzipien, Funktion und Anwendung (1983) 7.64
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  14. ¬The PRECIS index systems : principles, applications, and prospects. Proc. of the Int. PRECIS workshop sponsored ... , Univ. of Maryland, 15.-17.10.1976. (1977) 7.64
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  15. Curwen, A.G.: ¬A decade of PRECIS, 1974-84 (1985) 7.64
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  16. Michell, G.: Does PRECIS have feet of clay? : problems with the universality of the role operators (1979) 7.64
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  17. Weintraub, D.K.: ¬An extended review of PRECIS (1979) 7.64
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  18. Matter, R.: PRECIS als zwischensprachliches System (1979) 7.64
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  19. Detemple, S.: PRECIS : ein computerunterstütztes System zur Herstellung alphabetischer Sachregister und Schlagwortkataloge (1982) 7.64
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  20. Richmond, P.A.: Classification from PRECIS : some possibilities (1976) 7.64
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