000 00272nam a2200121Ia 4500
008 160710s1987 xx 000 0 und d
082 _a621.380422 GEC
100 _aGEC
245 _aPROTECTIVE RELAY APP. GUIDE
260 _bGEC
_c1987
300 _a463
942 _2ddc
_cB
999 _c48866
_d48866