TY  - BOOK
AU  - OPPENEHEIM ALAN.V
TI  - SIGNALS AND SYSTEMS
T2  - P1222
SN  - 8177582623
U1  -  621.3822 OPP 
PY  - 2006///
CY  - India
PB  - PEARSON
KW  - Electronics and Communication Engineering
N1  - AMMAN
ER  -