TY  - BOOK
AU  - Talley,David
TI  - Basic carrier telephony
U1  - 621.385 
PY  - 1980///
CY  - Bombay
PB  - D.B. Taraporevala
KW  - Telephone
KW  - Telephone systems
KW  - Telephone, carrier current
KW  - Electric filters
N1  - Includes index
ER  -