00297nam a2200121Ia 45000030006000000080041000060400015000471000018000622450046000802600020001265460012001460050017001580STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAllcock, C.H.  aThoretical geometry for beginners Part IV  bMacmillanc1904  aEnglish20220125170011.0