1. Britto,A.M.and Gunn,MJ.,Critical State Soil Mechanics via Finite Elements,JohnWiley Sons,1987.
2. Chen, W.F. and Mizuno, D., Nonlinear Analysis in Soil Mechanics, Elsevier, Development in Geotechnical Engineering Vol. 53, 1990, p132–139.
3. Kono, Y. and Sugai, Y., Water hammer analysis by method of characteristics and statical stress Analysis of tunnels by fmite element method, In Proc.29th Japanese Conference on Hvdraulics,1985 pp.657–662.
4. Merrill, L., The Herald Journal, Dec. 5, 6 and 7, 1984 and Mar. 17 and Apr. 7, 1985.