000 00272nam a2200121Ia 4500
008 220201s1961 xx 000 0 eng d
082 _a621.93815
_bBRO
100 _aBrotherton, M
245 0 _aCopacitors
260 _aLondon
_bWilly
_c1961
300 _a107
942 _2ddc
999 _c12168
_d12168