00306nam a2200133Ia 45000030006000000080041000060400015000471000028000622450025000902600022001153000006001375460012001430050017001550STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aEhrich, P.R.;Holm, R.W.  aProcess of evolution  bMcgraw hillc1963  a0  aEnglish20220125170346.0