000 00264nam a2200121Ia 4500
008 220201s1966 xx 000 0 eng d
082 _a539.74
_bRIC
100 _aRichards, Wehr
245 0 _aPhysics of the atom
260 _c1966
300 _a420
942 _2ddc
999 _c75966
_d75966