1. Mattiasson, K.: On the co-rotational finite element formulation for large deformation problems, Dr. Thesis, Department of Structural Mechanics, Chalmers University of Technology, Publ. 83:1, Goteborg, 1983.
2. Mattiasson, K. and Samuelsson, A.: Total and updated Lagrangian forms of the co-rotational finite element formulation in geometrically and materially nonlinear analysis, Proc. of the Int. Conf. on Numerical Methods for Non-Linear Problems, Vol. 2 (Eds. Taylor), Pineridge Press, Swansea, 1984, pp. 134–151.
3. Mattiasson, K.: Numerical results from large deflection beam and frame problems analysed by means of elliptic integrals, Int. J. for Num. Meth. in Eng., Vol. 17, 1981, pp. 145–153.
4. Mattiasson, K.:Numerical results from elliptic integral solutions of some elastica problems of beams and frames, Department of Structural Mechanics, Chalmers University of Technology, Publ. 79:10, Goteborg, 1979.
5. Riks, E.: An incremental approach to the solution of snapping and buckling problems, Int. J. Solids and Structs., Vol. 15, 1979, pp. 529–551.