TY  - BOOK
AU  - Carlson A.B.
AU  - Carlson A.B., Crilly P.B. & Rutledge J.C.
TI  - Communication Systems: An Introduction To Signals And Noise In Electrical Communication
U1  - 621.38 
PY  - 2002///
PB  - Tata Mc Graw-Hill
ER  -