TY  - GEN
AU  - Philips, Charles L15186
AU  - John M Parr
TI  - Signals systems and transforms/4TH ED
SN  - 9788131725313
U1  - 621.391 
PY  - 2009///
CY  - New Delhi
PB  - Pearson
KW  - Signals and systems15184
KW  - 621.391
ER  -