International Fiber Optics and Comunications Exposition International Fiber Optics and Comunications Exposition,2nd,Chicago,1979 International Elecommunication Exposition International Fiber Optics and Communications Exposition.3rd,San Francisco,1980 International information and communication order International Conference on Satellite Communications and Navigation FOC 81 west Fiber optics and communictions proceedings FOC'79,fiber optics and communications Fiber optics in communications systems International political communication