00299nam a2200133Ia 45000030006000000080041000060400015000471000023000622450025000852600020001103000006001305460012001360050017001480STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aChakrabarthi, S.C.  aCo ordinate geometry  bMacmillanc1943  a0  aEnglish20220125170011.0