00293nam a2200133Ia 45000030006000000080041000060400015000471000018000622450030000802500011001102600009001215460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBourgin, D.G.  aModern algebraic topology  aSecond  c1964  aEnglish20220125165938.0