TY  - BOOK
AU  - SCHILLING, DONALD L.
TI  - Principles of Communication Systems: Principles of Communication Systems._2nd Ed, New Delhi : Tata Mc Graw-Hill, 2001
U1  - 621.382 
PY  - 2001///
CY  - New Delhi
PB  - Tata Mc Graw-Hill
ER  -