000 00284nam a2200121Ia 4500
008 170101s1956 xx 000 0 und d
082 _a621.3 W56I
100 _aWILLS, C.H.
245 0 _aIntroductory electrical engineering
260 _bN.Y.
_c1956
300 _a552p
942 _2ddc
_cB
999 _c3817
_d3817