000 00275nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a621.3815
100 _aG.K.DUBEY
245 0 _aTHYRISTORS POWER CONTROLLERS
260 _bNEW AGE
365 _b170.00
942 _cBTECH
999 _c123807
_d123807