000 00295pam a2200121a 44500
082 _a530
_bH889F
100 _aHumphreys, Richard F.
245 1 _aFIRST PRINCIPLES OF ATOMIC PHYSICS
260 _a
_bHarper & Brothers
_c1950
700 _aBeringer, Robert
964 _gCIRC
997 _a39927 C
999 _c409205
_d409205