000 00308nam a2200121Ia 4500
008 220201s1979 xx 000 0 eng d
041 _aENG
100 _aI.S: 2245-1962
245 0 _aSWITCHGEAR AND PROTECTION
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1979
300 _a274
942 _2ddc
999 _c53780
_d53780