1. Numerical and experimental determination of strain (stress) concentration factors of welded joints between square hollow sections;Puthli;Heron, The Netherlands,1988
2. Fatigue behavior of T and X joints made of square hollow sections;van Wingerde;Heron, The Netherlands,1992
3. Strain concentration factors in rectangular hollow section truss gap K-connections – an experimental study;Frater;J Construct Steel Res,1993
4. Fatigue tests on welded RHS lattice girder joint;Strommen;J Construct Steel Res,1994
5. Zhao XL, Herion S, Packer JA, Puthli R, Sedlacek G, Wardenier J, et al. 2000. Design guide for circular and rectangular hollow section joints under fatigue loading. CIDECT, TUV Germany.