000 00300nam a2200121Ia 4500
008 211209s1979 xx 000 0 und d
041 _aeng
082 _a621.31 N79 HAN
100 _aHANCOCK N N
245 _aELECTRIC POWER UTILIZATION
260 _bWHEELER PUBLISHING COMPANY
_c1979
300 _a496
999 _c19548
_d19548