TY  - BOOK
AU  - BISWAS, N N
TI  - Principles of Telephony
PY  - 1988///
CY  - NEW DELHI
PB  - UBS PUBLISHERS DISTRIBUTORS LTD
KW  -  TELEPHONE, AUTOMATIC
KW  -  PRINCIPLES OF TELEPHONY
KW  - MICROELECTRONICS

COMMUNICATION
ER  -