00283nam a2200121Ia 45000030006000000080041000060400015000471000033000622450028000952600009001235460012001320050017001440STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aTeachers publication; Cochin  aBasic chemical analysis  c1960  aEnglish20220125170226.0