00273nam a2200109Ia 4500008004100000082001300041100001800054245002600072260002900098650001300127650002300140220204s9999    xx            000 0 und d  a575bRUS  aRUSE, Michael 0aPhilosophy of biology  aLondonbHutchinsonc1973  aGenetics  aMolecualr genetics