000 00343nam a2200145Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0071447857
082 _a621.314
_bBHE
100 _aBhel.
245 0 _aTransformers
260 _aLondon :
_bMcgraw Hill Book Co,
_c1994
300 _a614.
365 _a5543
650 _aApplied physics
999 _c31124
_d31124