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  • × year_i:[1960 TO 1970}
  1. Drtina, J.: ¬Die sowjetische Bibliothekarisch-Bibliographische Klassifikation und die Möglichkeiten und Probleme ihrer Anwendung in anderen sozialistischen Ländern (1965) 8.12 
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  2. Bibliothekarisch-bibliographische Klassifikation. Tafeln für wissenschaftliche Bibliotheken (1967 ff.) 8.12 
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