1. Argyris, J. H. and Scharpf, D. W. (1969), “Finite Elements in Time and Space”,The Aeronautical Journal of the Royal Aeronautical Society,73, 1041.
2. Argyris, J. H., Vaz, L. E. and Willam, K. J. (1977), “Higher Order Methods for Transient Diffusion Analysis”,Computer Methods in Applied Mechanics and Engineering,12, 243.
3. Bathe, K. J. (1982),Finite Element Procedures in Engineering Analysis, Prentice-Hall, Englewood Cliffs, New Jersey.
4. Belytschko, T. and Hughes, T. J. R. (1983),Computational Methods in Transient Analysis, North Holland.
5. Biot, M. A. (1967), “Complementary Forms of the Variational Principle for Heat Conduction and Convection”,Journal of Franklin Institute,283, 372.