000 00287nam a2200121Ia 4500
008 220201s1950 xx 000 0 eng d
082 _a530
_bDEN
100 _aDent,Anthony
245 0 _aInternational Modern Physics
260 _aLondon
_bJ.M. Dent
_c1950
300 _a304
942 _2ddc
999 _c11794
_d11794