00290nam a2200133Ia 45000030006000000080041000060400015000471000017000622450029000792500010001082600009001185460012001270050017001390STCL150530s9999 xx 000 0 und d aSTCLcSTCL aJoseph, P.D. aPre university chemistry aFirst c1956 aEnglish20220125170305.0