TY  - GEN
AU  - Oppenheim, V. Alan 
AU  - Willsky, S.Alan 
AU  - Yong, Ian, T.
TI  - Signals and systems
SN  - 0876925034
U1  - 621.3822 
PY  - 1992///
CY  - New Delhi
PB  - Prentice Hall of India 
KW  - Applied Physics
KW  - Enineering and aflied operations
ER  -