1) Shi, G. H. and R. E. Goodman: Discontinuous Deformation Analysis, Proc. 25th U. S. Symposium on Rock Mechanics, pp. 269-277, 1984.
2) Shi, G. H. and R. E. Goodman: Two Dimensional Discontinuous Deformation Analysis, Int. Jour. Anal. Methods Geomech., Vol. 9, pp. 541-556, 1985.
3) Shi, G. H.: Block System Modeling by Discontinuous Deformation Analysis, Univ. of California, Berkeley, Dept. of Civil Eng. August, 1989.
4) Ngo, D. and Scordelis, A. C.: Finite Element Analysis of Reinforced Concrete Beams, Journal of the American Concrete Institute, Vol. 64, No. 3, pp. 152-163, 1967.
5) Goodman, R. E. Taylor, R. and Brekke, T. L.: A Model for the Mechanics of Jointed Rock, Journal of the Soil Mechanics & Foundations Div. ASCE, Vol. 84, pp. 637-660, 1968.