00271nam a2200121Ia 45000030006000000080041000060400015000471000023000622450026000852600009001115460012001200050017001320STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aJohn, M.P.; Others  apree degree chemistry  c1983  aEnglish20220125170226.0