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  • × author_ss:"Urban, A."
  • × type_ss:"x"
  • × year_i:[1970 TO 1980}
  1. Urban, A.: ¬Die Dewey Decimal Classification als Normklassifikation : Untersuchungen zur Entwicklung und Verbreitung der DDC unter besonderer Berücksichtigung der zentralen Sacherschließung (1977) 0.00 
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