1. and , The Finite Element Method, Vol. 1, 4th edn., McGraw-Hill, London, 1989.
2. Numerical Heat Transfer and Fluid Flow, Hemisphere, Washington, D.C., 1980.
3. Numerical Computation of Internal and External Flows. Vol. 1, Wiley, Chichester, UK, 1988.
4. ‘Elliptic systems: Finite-element method I’, in et al. (eds.), Handbook of Numerical Heat Transfer, Wiley, New York, 1988, pp. 379-420.
5. and , ‘Elliptic systems: Finite-element method II’, in et al. (eds.), Handbook of Numerical Heat Transfer, Wiley, New York, 1988, pp. 421-462.