000 00283nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a621.382 GUP
100 _aGUPTA (SUDHIR)
245 _aElements of Control Systems
260 _aNew Delhi
_bPHI
365 _cRS
999 _c179264
_d179264