Proceedings / European WPSA Symposium on Egg Quality. Org. by the Working Group Egg Quality of the European Federation of Branches of the World's Poultry Science Association - European WPSA Symposium on Egg Quality; World's Poultry Science Association ([Wechselnde Erscheinungsorte] [Verlag nicht ermittelbar], 1989)
Keywords: Zeitschrift; Konferenzschrift