000 002800000a22001210004500
245 _aElectricals principles - 3
100 _aMorris, N.M.
260 _aLondon
_bMacmillan
_c1978
440 _aMacmillan technician series
080 _a621.3
_bM6
041 _aEN
942 _cBK
999 _c111264
_d111264