00301nam a2200133Ia 45000030006000000080041000060400015000471000019000622450038000812500010001192600009001295460012001380050017001500STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aDavidson, J.N.  aBiochemistry of the nucleic acids  aSixth  c1969  aEnglish20220125170311.0