1. An algorithm and a modular subroutine for the CAP model
2. ‘A modified formulation of the cap model’, Gulf atomics report GA-C19579 prepared for the Defense Nuclear Agency under Contract DNA-001086-C-0277, January 1989.
3. Simple, Convenient Isotropic Failure Surface
4. and , ‘An extension of the cap model inclusion of pore pressure effects and kinematic hardening to represent an anisotropic wet clay’, in and Mechanics of Engineering Materials, Chapter 28, Wiley, New York, 1984.
5. ‘A general basis for yield, failure, and potential functions in plasticity’, Int. J. numer. anal. methods geomech., 361-375 (1980).