00296nam a2200121Ia 45000030006000000080041000060400015000471000020000622450029000822600034001115460012001450050017001570STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aLivingstone, R.  aSome Tasks for Education  bOxford University pressc1957  aEnglish20220125165737.0