TY  - BOOK
AU  - OPPENHEIM, ALAN VA
TI  - SIGNALS AND SYSTEMS 
SN  - 9788120312463
U1  - 621.3822 O 00 OPP/WIL 
PY  - 2011///
CY  - NEW DELHI
PB  - PRENTICE-HALL OF INDIA
ER  -