000 002850000a22001210004500
008 160429b1944 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a621.31912
_bM6
942 _cBK
100 _aMark, S.G.
245 _aClassified examples in electrical engineering
260 _c1944
999 _c8417
_d8417