000 00287nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a621.3815 CHO
100 _aChoudhary (ROY D.)
245 _aModern control Engineering
260 _aNew Delhi
_bPHI
365 _cRS
999 _c184436
_d184436