00445nam a2200169Ia 4500008004100000082001700041100001800058245004400076250000600120260003900126300000800165650001800173650002400191653001200215653002700227700002100254170901s1955 xx 000 0 und d a591.15bH11D aHadorn, Ernst 0aDevelopment genetics and Lethal Factors a1 aLondonbMethuen and Co. Ltd.c1955 a355 aPure Sciences aZoological sciences aAnimals aDevelopmental genetics aMittwoch, Ursula