00330nam a2200133Ia 45000030006000000080041000060400015000471000029000622450057000912500010001482600009001585460012001670050017001790STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aBarry, J.M.; Barry, E.M.  aMolecular Biology; Introduction to chemical genetics  aFirst  c1973  aEnglish20220125170440.0