00353nam a2200133Ia 45000030006000000080041000060400015000471000032000622450063000942500011001572600022001685460012001900050017002020STCL150530s9999 xx 000 0 und d aSTCLcSTCL aMiller, D.F.; Blaydes, G.W. aMethods and materials for teaching the biological sciences aSecond bMcgraw hillc1962 aEnglish20220125170326.0