1. 1.Oliveira, E.R.A., “Optimization of finite element solutions”, Proceedings 3rd Conference on Matrix Methods in Structural Mechanics, Wright‐Patterson Air Force Base, Ohio, 1971.
2. 2.Turcke, D.J. and McNeice, G.M.A., “Variational approach to grid optimization in the finite element method”, Proceedings of Conference on Variational Methods in Engineering, Southampton University, England, 1972.
3. 3.McNeice, G.M. and Marcal, P.V., “Optimization of finite element grids based on minimum potential energy”, Trans. ASME, J. of Eng. for Industry, Vol. 95, 1973, pp. 186‐90.
4. 4.Killiam, D.E., Selective Refinement of a Finite Element Mesh for Improved Accuracy, M. S. Thesis, Virginia Politechnic Institute and State University, Blacksburg, Virginia, 1975.
5. 5.Szabo, B.A., Busu, P.K. and Rossow, M.F, Adaptive Finite Element Analysis Based on P‐Convergence, NASA Conf. Publ. 2059, 1978.