000 00284nam a2200121Ia 4500
008 220201s1961 xx 000 0 eng d
082 _a621.3
100 _aHubert, Charles I
245 0 _aOperational electricity
260 _bJohn wiley & sons
_c1961
300 _a530
942 _2ddc
999 _c75242
_d75242