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  • × theme_ss:"Geschichte der Sacherschließung"
  • × theme_ss:"Automatisches Indexieren"
  1. Williams, R.V.: Hans Peter Luhn and Herbert M. Ohlman : their roles in the origins of keyword-in-context/permutation automatic indexing (2010) 1.00
    1.0 = *:*, product of:
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      1.0 = queryNorm