00283nam a2200121Ia 45000030006000000080041000060400015000471000019000622450042000812600009001235460012001320050017001440STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aLagowski, J.J.  aJournal of Chemical Education Vol. 57  c1980  aEnglish20220125165853.0