000 00315pam a2200133a 44500
082 _a621.31736
_bC85s
100 _aCrane, Peter Henry Gordon
245 1 _aSWITCHGEAR PRINCIPLES
260 _aLondon
_bCleaver-Hume
_c1957
300 _a238
650 _aElectric Switchgear
964 _gCIRC
997 _a2289 C
999 _c442313
_d442313