000			00267nam a2200133Ia 4500
654			_aELEC
100			_aCrane, P.H.G.
250			_a1st Ed.
245			_aSwitchgear Principles
260			_bPitman _c1968
082			_bCRA
300			_a238p.
999			_c29578 _d29578
041			_aeng
655			_aD-17
546			_aText in English
300			_c23 cm.