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  • × author_ss:"Koch, T."
  • × theme_ss:"Klassifikationssysteme im Online-Retrieval"
  • × theme_ss:"Suchmaschinen"
  1. Day, M.; Koch, T.: ¬The role of classification schemes in Internet resource description and discovery : DESIRE - Development of a European Service for Information on Research and Education. Specification for resource description methods, part 3 (1997) 0.00 
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