00320nam a2200121Ia 45000030006000000080041000060400015000471000023000622450062000852600022001475460012001690050017001810STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSpiegel Murray, R.  aSchaums outlines of theory and problems of real variables  bMcgraw hillc1969  aEnglish20220125165950.0