00284nam a2200133Ia 45000030006000000080041000060400015000471000018000622450022000802500010001022600009001125460012001210050017001330STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSelwood, P.W.  aGeneral chemistry  aThird  c1959  aEnglish20220125170226.0