000 00314nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a621.3813
100 _aKrishna Raj
245 2 _aA text book of Signals and Systems
250 _a2
260 _bDhanpat Rai Publications Pvt Ltd, New Delhi
_c2004
942 _cBK
999 _c6324
_d6324