000 002910000a22001330004500
245 _aElectricity supply
100 _aBuchan, M.F.
260 _aLondon
_bE.L.B.S.
_c1970
300 _aviii, 454p. : ill.
020 _a0713132299
080 _a621.31
_bB8
041 _aEN
942 _cBK
999 _c94439
_d94439