000 00306nam a2200145Ia 4500
100 _aGurung, J. B.
080 _a621.38043 Gur
526 _dTB
526 _aUG
942 _cBK
245 _aSignals and systems
260 _aPHI learning pvt. ltd.
_bNew Delhi
_c2009
300 _axi,620
546 _aE
999 _c72798
_d72798