TY  - BOOK
AU  - Ziemer,Rodger E.
AU  - Tranter,William H.
AU  - Fannin,D.Ronald
TI  - Signals and systems: continuous and discrete 
SN  - 0024316415 :
U1  - 003 12A
PY  - 1993///
CY  - New York, Oxford
PB  - Macmillan
N1  - prev. ed.: 1989
ER  -