1. The stability of flat plates;Bulson,1970
2. Background to buckling;Allen,1980
3. Nonlinear analysis of thin sections in compression;Hancock;J Struct Engng ASCE,1981
4. Interaction Buckling in I-Section Columns;Hancock;J Struct Engng ASCE,1981
5. Lindstrom G. Column strength of welded I-sections in postbuckling range of component plates. Bulletin number 138. Stockholm: The Dept. of Structural Mechanics & Engineering, Royal Instuitute of Technology; 1982.