TY  - BOOK
AU  - Oppentheim A.V.
TI  - Signals and Systems
SN  - 0000020507
U1  - 621.38043 
PY  - 1990///
CY  - New Delhi
PB  - P.H.I.
KW  -  Systems
KW  - D S P
KW  - Signals
ER  -