000 00311pam a2200121a 44500
008 160408b1969 xxu||||| |||| 00| 0 eng d
082 _a621.3
_bEL25P V.1
100 _aThe Electricity Council
245 1 _aPOWER SYSTEM PROTECTION
260 _a
_bMacdonald & Co.
_c1969
964 _gCIRC
997 _aA2935 s C
999 _c240213
_d240213