000 00337nam a2200121Ia 4500
008 211209s1972 xx 000 0 und d
041 _aeng
082 _a621.319 N72 IEE
100 _aIEEE INC.
245 _aIEEE RECOMMENDED PRACTICE FOR GROUNDING OF INDUSTRIAL AND COMMERICAL POWER SYSTEMS
260 _bIEEE INC.
_c1972
300 _a96
999 _c21547
_d21547