00281nam a2200121Ia 45000030006000000080041000060400015000471000018000622450025000802600025001055460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aStabler, E.R.  aMathematical thought  bAddison Wesleyc1953  aEnglish20220125165924.0