00290nam a2200121Ia 45000030006000000080041000060400015000471000016000622450037000782600024001155460012001390050017001510STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aJoshi, K.D.  aIntroduction to general topology  bWiley Easternc1992  aEnglish20220125165938.0