TY  - BOOK
AU  - Hsu, Hwei P.
TI  - Schaum's outline of theory and problems of signal and systems
SN  - 0070306419
U1  - 621.38223 
PY  - 1995///
CY  - New York
PB  - McGraw Hill
KW  - Signal theory (Telecommunication)
KW  - Problems, exercises, etc
ER  -