1. Kuang JG, Potvin AB, Leick, RD. Stress concentration in tubular joints. Proceedings of the seventh Annual Offshore Technology Conference, OTC2205, Houston, 1975. pp. 594–612.
2. Wordsworth AC, Smedley GP. Stress concentrations at unstiffened tubular joints. European Offshore Steels Research Seminar, Cambridge, Paper 31, 1978.
3. Efthymiou M, Durkin S. Stress concentrations in T/Y and gap/overlap K joints. Behaviour of offshore structures. Elsevier, Amsterdam 1985. pp. 429–40.
4. Dharmavasan S, Aaghaakouchak, AA. Stress concentrations in tubular joints stiffened by internal ring stiffeners. Seventh International Conference On Offshore Mechanics and Arctic Engineering, Houston, 1988. pp. 141–8.