00286nam a2200121Ia 45000030006000000080041000060400015000471000017000622450047000792600009001265460012001350050017001470STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGlinka, N.L.  aProblems and exercise in general chemistry  c1981  aEnglish20220125170226.0