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  • × language_ss:"nl"
  • × theme_ss:"Klassifikationssysteme im Online-Retrieval"
  • × year_i:[1980 TO 1990}
  1. Boeckx, T.: Onderwerpontsluiting in de on-line publiekscatalogus (1986) 0.07
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    Theme
    Verbale Doksprachen im Online-Retrieval
    Klassifikationssysteme im Online-Retrieval