00284nam a2200133Ia 45000030006000000080041000060400015000471000017000622450022000792500011001012600009001125460012001210050017001330STCL150530s9999 xx 000 0 und d aSTCLcSTCL aThomas, A.O. aQ and A chemistry aFourth c2000 aEnglish20220125170226.0