TY  - BOOK
AU  - Taub, Herbert
AU  - Schilling, Donald L
TI  - Principles of communication systems 
SN  - 0070629552
U1  - 028.38 
PY  - 1986///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - Electrical engineering 
KW  - Telecommunication systems
ER  -