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  • × classification_ss:"621.38"
  • × year_i:[1960 TO 1970}
  1. Steinbuch, K.: ¬Die informierte Gesellschaft : Geschichte und Zukunft der Nachrichtentechnik (1969) 0.01
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    BK
    53.70 Nachrichtentechnik, Kommunikationstechnik: Allgemeines
    Classification
    53.70 Nachrichtentechnik, Kommunikationstechnik: Allgemeines