Flowers, Thomas Harold
Introduction to exchange systems/ Thomas Harold Flowers - London John Wiley & Sons 1976 - xvii, 326p. .ill. 23cm
0471018651
84-793
Telephone stations
Telephone stations--management
Telephone stations--design and construction
TK6211 / .F54 1976
Introduction to exchange systems/ Thomas Harold Flowers - London John Wiley & Sons 1976 - xvii, 326p. .ill. 23cm
0471018651
84-793
Telephone stations
Telephone stations--management
Telephone stations--design and construction
TK6211 / .F54 1976