000 00281nam a2200121Ia 4500
008 211209s1975 xx 000 0 und d
041 _aeng
082 _a621.3 N75 GER
100 _aGERRISH H H
245 _aELECTRICITY
260 _bGOODHEART WILCOX AND CO
_c1975
300 _a120
999 _c16182
_d16182