000 002560000a22001210004500
008 160509b1956 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a621.3
_bH5
942 _cBK
100 _aHirst, A.W.
245 _aApplied electricity
260 _c1956
999 _c8924
_d8924