00286nam a2200121Ia 45000030006000000080041000060400015000471000022000622450042000842600009001265460012001350050017001470STCL150530s9999 xx 000 0 und d aSTCLcSTCL aLagowski, J.J. Ed aJournal of Chemical Education Vol. 64 c1987 aEnglish20220125165854.0