100 years of telephone switching (1878-1978)
Chapuis, Robert J
100 years of telephone switching (1878-1978) - Amsterdam: North Holland Publishing Company, 1982 - 481p. - Studies in telecommunication vol.1 .
Part1 Manual and electromechanical switching
0-444-86289-7
Telephone
Switching
621/395(091) / M2.1
100 years of telephone switching (1878-1978) - Amsterdam: North Holland Publishing Company, 1982 - 481p. - Studies in telecommunication vol.1 .
Part1 Manual and electromechanical switching
0-444-86289-7
Telephone
Switching
621/395(091) / M2.1