TY  - GEN
AU  - Beauchamp, K .G.
AU  - Maddock, I.
TI  - Signal processing: using analog and digital techniques
SN  - 0470061162
U1  - 621.38043 
PY  - 1973///
CY  - New York
PB  - John Wiley & sons
KW  - ELECTRONICS AND COMMUNICATIONS
ER  -