Koji, K. (1977). Trends in the development of telecommunications technology. Tokyo: Nippon Electric Company.
Παραπομπή Chicago StyleKoji, Kobayashi. Trends in the Development of Telecommunications Technology. Tokyo: Nippon Electric Company, 1977.
Παραπομπή MLAKoji, Kobayashi. Trends in the Development of Telecommunications Technology. Tokyo: Nippon Electric Company, 1977.
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