00314nam a22001097a 4500020001500000040000900015082001800024100002300042245004600065260004700111650004600158  a8120307607  cNust  a621.3815bJOH  aJohnny Rt. Johnson  aIntroduction to digital signal processing  aNew Delhi:bprentice Hall of india,c1989.  aIntroduction to digital signal processing