TY  - BOOK
AU  - Soni .K.M
AU  - K.M.Soni 
TI  - Signal and system 
SN  - 9788189757296
U1  - 621.3822 SON  
PY  - 2006///
CY  - New Delhi 
PB  - S.K.Kataria & Sons 
KW  - Signal and system
ER  -