00302nam a2200121Ia 45000030006000000080041000060400015000471000016000622450064000782600009001425460012001510050017001630STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aFrancis; Ed  aTwelve conferences on the mos important problems of the day  c1913  aEnglish20220125165412.0