000 00244nam a22001097a 4500
082 _a539.7 SEM'A
100 _aWHITE, H.E,SEMART, H
_959649
245 _aATOMIC AGE PHYSICS
260 _aNEWYORK
_bRINEHART
_c1959
300 _a230P
942 _cBK
999 _c569573
_d569573