TY  - BOOK
AU  - Couch II, Leon W.
TI  - Digital and analog communication systems
SN  - 9788120334113
U1  - 621.382 COU-L 
PY  - 2007///
CY  - India
PB  - PHI
KW  - Digital communications
KW  - Telecommunication systemsﾠ
N1  - Rs.450/-
ER  -