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  • × subject_ss:"Documents / Subject indexing / Schemes: PRECIS"
  • × theme_ss:"Preserved Context Index System (PRECIS)"
  1. Dykstra, M.: PRECIS: a primer (1985) 0.02
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    PRECIS
    Documents / Subject indexing / Schemes: PRECIS
    Subject
    Documents / Subject indexing / Schemes: PRECIS