000 00286nam a22001097a 4500
020 _a9788120327788
100 _aBandyopadhyay MN
245 _aIntroduction to Signals and Systems and Digital Signal Processing
260 _aDelhi
_bPHI Learning
_c2015
300 _axii+383
942 _cBB
999 _c59962
_d59962