TY  - GEN
AU  - Sharma,Sanjay
TI  - Communication systems: Analog & digital
SN  - 8188458201
U1  - 621.382 
PY  - 2007///
CY  - New Delhi
PB  - S.K. Kataria
KW  - Communication systems
N1  - include appendix & model question paper; this is 4th revised & enlarged edition in 2007
ER  -