00301nam a2200133Ia 45000030006000000080041000060400015000471000017000622450040000792500010001192600009001295460012001380050017001500STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBollobas, B.  aGraph theory an introduction course  aFirst  c1979  aEnglish20220125165922.0