1. Johansen, K.W. ‘Theory of Timber Connections’, Inter Assoc. of Bridge and Structural Engineering, Bern, Switzerland, Publ. 9. (1949) 249–262.
2. ‘EUROCODE 5—Design of Timber Structure’, ENV 1995-1-1, CEN, Brussels (1993).
3. Yasumura, M., Murota, T. and Sakai, H., ‘Ultimate Properties of Bolted Joints in Glued-laminated Timber’, CIB-W18A Meeting, paper 20-7-3 (1987).
4. Yasumura, M., ‘Japan Overview: Design concept and prospect of bolted joints and nailed joints’, Proceedings of International Workshop on Wood Connectors., Ed. Forest Products Society, ISBN 0.935018.56.5., (1993) 114–121.
5. National Standard of Canada CAN/CSA-086.1-M89;Canadian Standards Association,1989