00270nam a2200121Ia 45000030006000000080041000060400015000471000016000622450019000782600022000975460012001190050017001310STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aEvans, R.D.  aAtomic nucleus  bMcgraw hillc1955  aEnglish20220125170222.0