Flood, J.E. ed.
Telecommunication networks - Herts Peter Perigrinus 1975 - xvii, 431p. : ill. - IEE Telecommunications series ; no.1 .
0901223654
TELECOMMUNICATION
621.39.01 / T4
Telecommunication networks - Herts Peter Perigrinus 1975 - xvii, 431p. : ill. - IEE Telecommunications series ; no.1 .
0901223654
TELECOMMUNICATION
621.39.01 / T4