000			00315 a2200133 4500
003			OSt
008			090311t xxu||||| |||| 00| 0 eng d
082			_a621.391 _bNAG
100			_aNagrath, I.J.
245			_aSignals and systems
653			_a621.391
942			_2ddc _cBK
260			_aNew Delhi _bTata McGraw Hill _c2006
999			_c334037 _d334037