000 002690000a22001210004500
245 _aElectricity supply
100 _aBuchan, M.F.
260 _aLondon
_bEdward Arnold
_c1967
300 _aviii, 454p. : ill.
080 _a621.31
_bB8
041 _aEN
942 _cBK
999 _c94440
_d94440