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  • × author_ss:"Donker-Duyvis, F."
  • × year_i:[1950 TO 1960}
  1. Donker-Duyvis, F.: ¬Die Organisation für den Aufbau der Dezimalklassifikation (1950) 0.00 
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    Source
    Nachrichten für Dokumentation. 1(1950) H.2, S.47-49