Electronic switching: central office systems of the world
Joel, Amos E
Electronic switching: central office systems of the world edited by Amos E. Joel, Jr. - New York: The Institute of Electrical and Electron 1976 - vii, 279p. : ill
0879420790
Telephone switching systems, Electronic
Telephone stations
TK 6397 Ele
Electronic switching: central office systems of the world edited by Amos E. Joel, Jr. - New York: The Institute of Electrical and Electron 1976 - vii, 279p. : ill
0879420790
Telephone switching systems, Electronic
Telephone stations
TK 6397 Ele