1. Atluri, S. N. and Tong, P., “On hybrid finite element technique for crack analysis”, in: Fracture Mechanics and Technology, G. C. Sih, ed., Noordhoff, p. 1445, 1977.
2. Atluri, S. N. and Kathiresan, K., “3D analysis of surface flaws in thickwall ed reactor pressure vessels using displacement-hybrid finite element method”, Nuclear Eng. and Design, Vol. 51, No. 2, pp. 163–176, 1979.
3. Pian, T. H. H. and Moriya, K., “Three-dimensional fracture analysis by assumed stress hybrid elements”, in: Numerical Methods in Fracture Mechanics, A. R. Luxmoore, ed., Pineridge Press, Swansea, 1978.
4. Tong, P. and Pian, T. H. H., “A variational principle and the convergence of a finite element method based on assumed stress distribution”, Int. J. Solids Struct., 5, p. 463, 1969.
5. Kuna, M., “Konstruktion und Anwendung hybrider Riβspitzenelemente für dreidimensionale bruchmechanische Aufgaben”, Technische Mechanik 3, p. 37, 1982.