TY  - BOOK
AU  - Alan, V. Oppenhiem; Nawab, S Hamid; Willsky S. Alan
TI  - Signals & Systems
SN  - 81-7758-262-3
U1  - 621.3822 OPP 
PY  - 1997///
CY  - New Delhi
PB  - Printice Hall.
KW  - Electrical Engineering
KW  - Telecommunication Engineering
ER  -