000 00301nam a2200133Ia 4500
654 _aELEC
100 _aCrane.P.H.G.
250 _a1st Ed.
245 _aSwitchgear Principles.(1957).
260 _bCleaver-Hume Press Ltd.
_c1968
082 _bCRA
_a24D-1385
300 _a238p.
999 _c22667
_d22667
041 _aeng
655 _aD-14
546 _aText in English
300 _c23 cm.