1. J. Wardenier, J.A. Packer, X.-.L. Zhao, G.J. van der Vegte, Hollow sections in Structural Applications, CIDECT, 2010.
2. J. Rondal, K.G. Wurker, J. Wardenier, D. Dutta, N. Yeomans, Structural Stability of Hollow Sections, CIDECT, 1992.
3. J. Wardenier, Hollow Sections in Structural Applications, CIDECT, 2000.
4. EN 1993-1-8, Eurocode 3 - Design of steel structures - Structures - Part 1-8: Design of joints, CEN, ECCS, Brussels, 2010.
5. IIW, Static design procedure for welded hollow section joints – Recommendations. 3rd Edition, International Institute of Welding, Sub-commission XV-E Annual Assembly, Singapore, IIW Doc. XV-1329-09, 2009.