1. The Finite Element Method in Engineering Science, 3rd edition, McGraw-Hill, London, 1977.
2. and , Introduction to the Finite Element Method, Van Nostrand Reinhold Co., New York, 1972.
3. and , ‘Numerical methods for the solution of non-linear problems in structural analysis’, in (Ed.), Numerical Solution of Non-linear Problems, A. S. M. E. Special Publication, AMD-Vol 6, November 1973, pp. 67-101.
4. Finite Elements of Non-linear Continua, McGraw-Hill, New York, 1972.
5. and , ‘Plasticity-theory and finite element applications’. in and (Eds), Advances in Computational Methods in Structural Mechanics and Design, University ofAlabama, 1972, pp. 393-437.