000 00308nam a22001457a 4500
020 _a9780070141094
100 _aNagrath IJ
245 _aSignals and systems
250 _a2nd
260 _aNew Delhi
_bMcGraw
_c2011
300 _axii+635
700 _aSharan S N
700 _aRakesh Ranjan
942 _cBK
999 _c59570
_d59570