International conference on private electronic switching systems, London, 10-12 Apr., 1978
Institution of Electrical Engineers
International conference on private electronic switching systems, London, 10-12 Apr., 1978 - - London IEE, 1978 - viii,214 p. 29 cm - .
0-85296187-10
Telephone switching systems, Electronic-Congresses
Telecommunication-Switching systems-Congresses
621.3:061.2 Ins:78
International conference on private electronic switching systems, London, 10-12 Apr., 1978 - - London IEE, 1978 - viii,214 p. 29 cm - .
0-85296187-10
Telephone switching systems, Electronic-Congresses
Telecommunication-Switching systems-Congresses
621.3:061.2 Ins:78