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  • × author_ss:"Dahlberg, I."
  1. Dahlberg, I.: Major developments in classification (1977) 5.64 
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  2. Dahlberg, I.: Grundlagen universaler Wissensordnung : Probleme und Möglichkeiten eines universalen Klassifikationssystems des Wissens (1974) 5.64 
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  3. Dahlberg, I.: Classification structure principles : Investigations, experiences, conclusions (1998) 5.64 
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