1. American Welding Society. Structural Welding Code, AWS D1.1-96. Miami, FL: American Welding Society, Inc., 1996.
2. New guidelines for fatigue design of HSS connections;Van Wingerde;J. Struct. Engng, ASCE,1996
3. Zhao XL, Herion S, Packer JA, Puthli R, Sedlacek G, Wardenier J, Weynand K, Van Wingerde AM, Yeomans N. Design guide for circular and rectangular hollow section joints under fatigue loading (final draft). IIW Doc. XV-E-98-236, 1998.
4. Stress concentration factor parametric equations for tubular X and DT-joints;Chang;Int. J. Fatigue,1996
5. Stress concentration factors in tubular K-joints under in-plane moment loading;Morgan;J. Struct. Engng, ASCE,1998