000 00288nam a2200133Ia 4500
008 230313s9999 xx 000 0 und d
100 _aRao, P. Ramkrishna
245 0 _aSignals & systems
250 _a2nd
260 _bTMH
_aN.Delhi
_c2012
300 _a567
650 _aEC
942 _cBK
999 _c983
_d983