TY  - BOOK
AU  - Balmer,Leslie
TI  - Signals and systems : : an introduction / 
SN  - 0134956729   
PY  - 1997///
CY  - London
PB  - Prentice Hall, 
KW  - Signal generators
KW  - Signal Theory (Telecomunication)
N1  - Includes bibliographies and indexes
ER  -