000 00291nam a2200121Ia 4500
008 160710s1963 xx 000 0 und d
082 _a537 RAY
100 _aRAY,M.
245 _aELECTRICITY AND MAGNETISM
260 _aAGRA
_bSTUDENTS FRIENDS & CO.
_c1963
300 _a522
942 _2ddc
_cB
999 _c28325
_d28325