TY  - BOOK
AU  - Oppenheim, Alan V.,
AU  - Willsky, Alan S.,
AU  - Nawab, S. Hamid.
TI  - Signals and Systems 
SN  - 9788120312463
U1  - 621.38043 
PY  - 1997///
CY  - New Delhi
PB  - PHI Learning Private Limited
N1  - This book is having Appendix & bibliography
ER  -