TY  - BOOK
AU  - Carlson, Bruce A and Crilly, Paul B
TI  - Communication systems: An introduction to signals and noise in electrical communication 
SN  - 139780071321174
AV  - 19201-19210 
U1  - 621.38223 22
PY  - 2016///
CY  - New Delhi
PB  - McGraw Hill Education
ER  -