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  • × theme_ss:"Preserved Context Index System (PRECIS)"
  1. ¬The PRECIS system for computer-generated indexes and its use in the British National Bibliography (1972) 0.06 
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    Source
    Subject retrieval in the seventies: new directions. Proc. of an Int. Symp. ... College Park, May 14-15, 1971. Ed.: H.H. Wellisch et al
  2. ¬The PRECIS index systems : principles, applications, and prospects. Proc. of the Int. PRECIS workshop sponsored ... , Univ. of Maryland, 15.-17.10.1976. (1977) 0.04 
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    Editor
    Wellisch, H.H

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