000 00290nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.3813
100 _aPoornachandra S
245 0 _aSignals and Systems
250 _a3
260 _bTata Mc Graw Hill , New Delhi
_c2010
942 _cBK
999 _c36995
_d36995