3) Chen, W.F. (1982): "Soil mechanics, plasticity and landslides," Structural Engineering Report No. CE-STR-82-20, School of Civil Engineering, Purdue University, West Lafayette, Indiana, USA. See also in R.T. Shields and G.J. Dvorak (Eds.), Mechanics of Inelastic Materials, Elsevier, Amsterdam, The Netherlands, 1983, to appear.
4) Chen, W.F. (1983): "Constitutive modeling in soil Mechanics," In C.S. Desai and R.H. Gallagher (Eds.), Constitutive Laws for Engineering Materials: Theory and Application, John Wiley, U.K., to appear.
5) Chen, W.F., Chang, C.J., and Yao, J.T.P. (1978): "Limit analysis of earthquake-induced slope failure," in R.L. Sierakowski (Ed.), Proc. of the 15th Annual Meeting of the Society of Engineering Science, Univ. of Florida, Gainesville, FL, pp.533-538.