TY  - BOOK
AU  - Carlson, A. Bruce
AU  - 
TI  - Communication Systems: An Introduction to Signals and  Noise in Electrical Communication
U1  - 621.391.81 
PY  - 1986///
CY  - New York
PB  - McGraw-Hill
KW  - communication systems
KW  - Communication system
N1  -  Bibliog on p. 676-679
ER  -