TY  - BOOK
AU  - Beauchamp,K.G.
AU  - Maddock,I.
TI  - Signal processing: using analog and digital techniques 
SN  - 0470061162
PY  - 1973///
CY  - New York, N.Y.
PB  - John Wiley & Sons
KW  - Signal theory (Telecommunication)
KW  - Electronic data processing
N1  - Includes bibliographies and index
ER  -