TY  - BOOK
AU  - Schilling,Donald L.
AU  - Taub,Herbert
TI  - Principles of communication systems / 
SN  - 0070629552
U1  - 621.38/T222p 
PY  - 1986///
CY  - New Delhi
PB  - Tata McGraw-Hill Publishing Company Limited
KW  - 0
KW  - Principles of communication systems
ER  -