TY  - BOOK
AU  - Sharma, Sanjay.
TI  - Principles of communication systems
SN  - 9789350141007
AV  - TK 5101 .S53 [2011] 
PY  - 2011///
CY  - [Place of publication not identifed]
PB  - [publisher not identified]
N1  - Principles of communication systems, Principles
ER  -