Design in high-strength structural steels : proceedings of the Conference on Design in High-Strength Structural Steels jointly organized by BISRA--the Inter-Group Laboratories of the British Steel Corporation, The Iron and Steel Institute, The Institute of Structural Engineers, and the British Constructional Steelworks Association, held at the Grand Hotel, Eastbourne, 9-11 April 1969. (ISI publication ;, 1969)