00301nam a2200121Ia 45000030006000000080041000060400015000471000022000622450038000842600028001225460012001500050017001620STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aPanjab University  aText book of co ordinate geometry  bPanjab Universityc1971  aEnglish20220125170014.0