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Videotex, agriculture and extension. A review of techniques, information supply and development trends

, : Videotex, agriculture and extension. A review of techniques, information supply and development trends. Aktuelle Kurzberichte, Bildschirmtext in Agrar und Ernahrungswirtschaft, German Federal Re ic (2): 79

After general descriptions of developments in videotex services and two-way communications services based on telephone, television and computer equipment, the necessary hardware for receiving services and its costs are described and the various services relevant to agriculture available in the GFR are outlined.

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