00307nam a2200097Ia 4500008004100000082001900041245009300060260002700153650001300180700001600193220204s9999    xx            000 0 und d  a575(06)bGEE.2 0aGentics today: Proceedings of the XI International Congress of genetics.Hague.1963. V 2.  aOxfordbPergamonc1965  aGenetics  aGEERTS, S J