000 00256nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
020 _a8172865856
100 _aBakshi, U.A
245 0 _aControl engineering
300 _a588p;
_b270
650 _aMATHEMATICS
999 _c136592
_d136592