000 00252nam a2200109Ia 4500
008 220201s1953 xx 000 0 eng d
100 _aKRAUS J D
245 0 _aELECTRO MAGNETICS
260 _aNEW YORK
_bMCGRAW HILL
_c1953
300 _a604
942 _2ddc
999 _c89090
_d89090