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  • × year_i:[1980 TO 1990}
  • × type_ss:"l"
  1. Kropp, H.: DFÜ: sämtliche Einsatzmöglichkeiten der Fernsprech- und Datexdienste : aktuelles Nachschlagewerk mit Musterlösungen für die rationelle Nutzung der Postdienste und Erfahrungsberichte aus der Praxis (1988) 0.01 
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  2. UK MARC manual (1980-) 0.00 
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