TY  - BOOK
AU  - Beauchamp, K.G..
TI  - Digital methods for sihnal analysis / 
SN  - 0-04-621027-X
U1  - D,94:f 
PY  - 1985///
CY  - London : 
PB  - George Allen & Unwin , 
KW  - Digital Methods
ER  -