00313nam a2200133Ia 45000030006000000080041000060400015000471000015000622450053000772500011001302600009001415460012001500050017001620STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aGupta.R.K.  aObjective chemistry exclusive for screening test  aSecond  c2001  aEnglish20220125165822.0