00305nam a2200133Ia 45000030006000000080041000060400015000471000033000622450027000952500011001222600009001335460012001420050017001540STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aTeachers publication; Cochin  aBasic chemistryy vol I  aNineth  c2000  aEnglish20220125170226.0