000 00318nam a2200121Ia 4500
008 211209s1965 xx 000 0 und d
041 _aeng
082 _a621.317 N65 MAS
100 _aMASON C RUSSEL
245 _aART AND SCIENCES OF PROTECTIVE RELAYING
260 _aNEW YORK
_bJOHN WILEY AND SONS
_c1965
300 _a424
999 _c4642
_d4642