00289nam a2200133Ia 45000030006000000080041000060400015000471000020000622450024000822500011001062600009001175460012001260050017001380STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSingieton, W.R.  aElementary genetics  aSecond  c1969  aEnglish20220125170342.0