000 00297nam a2200121Ia 4500
008 220201s1962 xx 000 0 eng d
082 _a530
_bCHA
100 _aCharles, Bull E
245 0 _aPhysics (course) electricity
260 _bUnited Forced Institution
_c1962
300 _a76
942 _2ddc
999 _c70932
_d70932