00273nam a2200121Ia 45000030006000000080041000060400015000471000024000622450014000862600022001005460012001220050017001340STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGeorge Pimentel, C.  aChemistry  bW.H.Freemanc1964  aEnglish20220125170225.0