1. European Convention for Constructional Steelwork Introductory Report 2nd International Colloquium on Stability of Steel Structures Liege Apr. 1977.
2. Fukumoto Y. and Kubo M. “An Experimental Review of Lateral Buckling of Beams and Girders ” Proceedings of the International Colloquium on Stability of Structures under Static and Dynamic Loads ASCE May 1977 pp. 541–562.