00281nam a2200121Ia 45000030006000000080041000060400015000471000037000622450022000992600009001215460012001300050017001420STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aDerlington, C.D.; Bradshaw, A.D.  aTeaching genetics  c1966  aEnglish20220125170342.0