00285nam a2200121Ia 45000030006000000080041000060400015000471000021000622450042000832600009001255460012001340050017001460STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aLippincott, W.T.  aJournal of Chemical Education Vol. 49  c1972  aEnglish20220125165852.0