00306nam a2200121Ia 45000030006000000080041000060400015000471000017000622450067000792600009001465460012001550050017001670STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBeeker, R.S.  aTheroy and inter pretation of fluorescence and phosphorescence  c1969  aEnglish20220125170238.0