00313nam a2200133Ia 45000030006000000080041000060400015000471000017000622450052000792500010001312600009001415460012001500050017001620STCL150530s9999 xx 000 0 und d aSTCLcSTCL aThomas, A.C. aModel questions and answers in modern chemistry aThird c2000 aEnglish20220125170229.0