TY  - BOOK
AU  - Singh, R.P.
AU  - Sapre, S.D.
TI  - Communication systems : analoge and digital
SN  - 0074603396
U1  - 621.382 
PY  - 2006///
CY  - New Delhi
PB  - Tata McGraw Hill 
KW  - Electronics & Communication Engg
ER  -