000 004170000a22001570004500
008 151203t1981 xxu||||| |||| 00| 0 eng d
020 _a0906048532
041 _aeng
080 _a621.316.9
_bE4
942 _cBK
110 _aThe Electricty Council
245 _aPower system protection 2 : systems and models
250 _a2nd ed.
260 _aStevenage
_bPeter Peregrinus
_c1981
300 _axvii, 326p. : ill.
999 _c139349
_d139349