Structural analysis of reactor fuel elements and assemblies. -- North-Holland for The Commission of the European Communities, c1981. -- (Transactions of the 6th International Conference on Structural Mechanics in Reactor Technology : Palais des Congrès, Paris, France, 17-21 August 1981 / conference organization by International Association for Structural Mechanics in Reactor Technology, Commission of the European Communities, Brussels, SFEN - Société française d'énergie nucléaire, Paris ; v. C-v. D).