000 002840000a22001210004500
245 _aElectrical principles for technicians
100 _aKnight, S.A.
260 _aLondon
_bButterworths
_c1978
440 _aTechnician series
080 _a621.3
_bK6
041 _aEN
942 _cBK
999 _c110259
_d110259