TY  - GEN
AU  - Povey P J
TI  - The telephone and the exchange
SN  - 0273013556 (pbk.) :
AV  - TK6165 
U1  - 621.385 19
PY  - 1979///
CY  - London
PB  - Pitman
KW  - Telephone
KW  - Great Britain
N1  - "A revised ed. of the book first published by the Post Office Telecommunications."; Includes index
ER  -