1. See T., Large displacement elastic buckling space structures. Ph.D. Thesis, University of Cambridge, September 1983.
2. Fathelbab F A., The effect of joints on the stability of shallow single layer lattice domes, Ph.D. Thesis, University of Cambridge, September 1987.
3. Approximate tangent stiffness matrix includes the effects of joint properties for space frame member;Fathelbab;Proc IASS Congr, Madrid,1989
4. Tangent stiffness matrix for space frame members with both member and joint imperfections;Fathelbab,1993
5. Mohammad Reza Chenaghlou, Semi-rigidity of connections in space structures, Ph.D. Thesis, University of Surrey, October, 1997.