00302nam a2200121Ia 45000030006000000080041000060400015000471000031000622450036000932600022001295460012001510050017001630STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKuspira John; Walker, G.W.  aGenetics questions and problems  bMcgraw hillc1973  aEnglish20220125170445.0