000 00298nam a22001337a 4500
999 _c1213
_d1213
020 _a9788131764367
082 _a621.382201
100 _aRichard G Lyons
245 _aUnderstanding digital signal processing
250 _a3rd
260 _aNew Delhi
_bPearson
_c2012
300 _a925
942 _cBK