000 00317pam a2200145a 44500
082 _a621.3
_bC82e6
100 _aCotton, Harry
245 1 _aELECTRICAL TECHNOLOGY
250 _a6th
260 _aLondon
_bPitman
_c1957
300 _a600
650 _aElectrical Engineering
964 _gCIRC
997 _a4807 C
999 _c416027
_d416027