000 00283nam a2200121Ia 4500
008 241013s9999 xx 000 0 und d
020 _a9788189866891
100 _aUma Rao
245 0 _aSignals and Systems
260 _aN.Delhi
_bDreamtech
_c2017
300 _aXXX,1182p.
942 _cBK
999 _c5708
_d5708