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  • × language_ss:"d"
  • × theme_ss:"Geschichte der Klassifikationssysteme"
  • × year_i:[1970 TO 1980}
  1. Wellisch, H.H.: Organisatorische Neuordnung des DK-Systems (1971) 0.02
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    Source
    Nachrichten für Dokumentation. 22(1971), S.55-63