000 00287nam a2200121Ia 4500
008 160710s1950 xx 000 0 und d
082 _a621.3815 WEB
100 _aWEBER ,ERNST
245 _aELETROMAGNETIC FIELDS
260 _bJOHN WILEY & SONS
_c1950
300 _a590
942 _2ddc
_cB
999 _c22426
_d22426