GRIFFITHS, J.M. ed.
Local telecommunications: into the digital era - London Peter Peregrinus 1986 - viii, 293p. : ill. - IEE Telecommunications series ; no.17 .
0863410804
TELECOMMUNICATION
621.39 / L6
Local telecommunications: into the digital era - London Peter Peregrinus 1986 - viii, 293p. : ill. - IEE Telecommunications series ; no.17 .
0863410804
TELECOMMUNICATION
621.39 / L6