1. Assemblages soudes de profile creux circulates avec decoupes d'intersection conception et verification des assemblages NF P 22‐250 June 1978.
2. Det Norske Veritas: Rules for the Design Construction and Inspection of Fixed Offshore Structures 1977.
3. Dutch Regulations for the Design of Tubular Structures SG‐TC‐18 Draft 1977.
4. Gibstein M. B. “The Static Strength of T‐Joints Subjected to In‐Plane Bend‐ing Moments ” Det Norske Veritas Report No. 76‐137 Oslo Norway July 1976.
5. Kurobane K. Makino Y. and Mitsui Y. “Ultimate Strength Formulae for Simple Tubular Joints ” IIW Doc. Xv‐385‐76 Dept. of Architecture Kumemoto University May 1976.