00308nam a2200121Ia 45000030006000000080041000060400015000471000024000622450049000862600022001355460012001570050017001690STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aMayr Ernest; Others  aMethods and principles of systematic zoology  bMcgraw hillc1953  aEnglish20220125170436.0