000 00276nam a2200109Ia 4500
008 230718s9999||||xx |||||||||||||| ||und||
082 _a621.381 959 6
100 _aPELLY B R
245 0 _aTHYRISTOR PHASE CONTROLLED CONVERTORS
260 _bWiley
_c1971
_aNEWYORK
300 _a434
999 _c20342
_d20342