1. Zusammengesetze vollwandträger;Stüssi;International Association for Bridge and Structural Engineering (IABSE),1947
2. H. Granholm, On composite beams and columns with special regard to nailed timber structures. Technical Report 88, Sweden, Chalmers, University of Technology, 1949 (in Swedish).
3. Tests and analysis of composite beams with incomplete interaction;Newmark;Proceedings of the Society for Experimental Stress Analysis,1951
4. P.F. Pleshkov, Theoretical studies of composite wood structures, Moscow, 1952 (in Russian).
5. Layered beam systems with interlayer slip;Goodman;Journal Structural Division, ASCE,1968