1. ‘A new look at the Newmark, Houbolt and other time-stepping formulae. A weighted residual approach’, Report C/R/273/76, University College of Swansea (1976).
2. On the Zienkiewicz four-time-level scheme for the numerical integration of vibration problems
3. A new class of highly-stable methods:A 0-stable methods
4. ‘Computational Methods in Ordinary Differential Equations’, Wiley, London, 1973.
5. ‘Marginal stability: experiments with the diffusion equation’, Finite Element Symp., Atlas Lab. (1974).