000			003420000a22001330004500
008			160824b1937 xxu||||| |||| 00| 0 eng d
041			_aeng
080			_a621.3 _bS8
942			_cBK
100			_aStubbings, G.W.
245			_aElements of symmetrical component theory
260			_aLondon _bSir Isaac Pitman _c1937
300			_aviii, 104p. : ill.
999			_c7501 _d7501