00301nam a2200121Ia 45000030006000000080041000060400015000471000022000622450044000842600022001285460012001500050017001620STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSeymour Lipschutz  aTheory and problems of general topology  bMcgraw hillc1965  aEnglish20220125165939.0