000 00272nam a2200121Ia 4500
001 121692
008 170722s9999 xx 000 0 und d
100 _aMaycock, W. Perren
245 _aAlternating-Current work. /
250 _a2nd ed.
260 _c1946.
942 _cGEN
999 _c48421
_d48421