000 00285nam a2200121Ia 4500
008 211209s1979 xx 000 0 und d
041 _aeng
082 _a621.317 N79 VAN/WAR
100 _aVAN A R
245 _aPROTECTIVE RELAYS
260 _bCHAPMAN & HALL LTD.
_c1979
300 _a500
999 _c21734
_d21734