000 00326nam a2200157Ia 4500
100 _aIyer, S.Narayana
080 _a621.38043 Iye
526 _dTB
526 _aUG
366 _f20
942 _cBK
245 _aSignals and systems .
260 _aCengage Learning,
_bNew Delhi
_c2011
300 _axiv, 897
546 _aE
999 _c72457
_d72457