TY  - BOOK
AU  - Phillips, Charles L; Parr, John M; Riskin, Eve A.
TI  - Signals systems and transforms
SN  - 812970269X
U1  - 621.3822 PHIC 
PY  - 2003///
CY  - New Delhi
PB  - Pearson Education
KW  - Digital Systems
ER  -