TY  - BOOK
AU  - Das,P.N.
TI  - Carrier current engineering including long distance telephony: for the under graduate students of telecommunication and electrical engineering
U1  - 621.385 
PY  - 1964///
CY  - Calcutta
PB  - Modern Book
KW  - Long distance telephone service
KW  - Telecommunication lines
KW  - Crosstalk
KW  - Telegraph
KW  - Telephone, carrier current
N1  - Includes index
ER  -