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  • × theme_ss:"Beziehungen verbale / systematische Erschließung"
  • × year_i:[1990 TO 2000}
  • × type_ss:"m"
  1. Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social and human science, culture and communication and information (1995) 1.00
    1.0 = *:*, product of:
      1.0 = boost
      1.0 = queryNorm