000 00298nam a2200121Ia 4500
008 160710s1933 xx 000 0 und d
082 _a621.31921 WAG
100 _aWAGNER,C.F.
245 _aSYMMEETRICAL COMPONENTS
260 _bMCGRAW-HILL BOOK CO., INC.
_c1933
300 _a437
942 _2ddc
_cB
999 _c22085
_d22085