1. and , (1971). ‘An investigation of bed degradation downstream of a dam’, Intern. Assoc. Hydraulic Research, 14th Congress, Paris, Paper C-30, 1–9.
2. (1978). ‘Aspects of degradation of alluvial channels in response to base-level lowering’, Ph. D. Dissertation, Colorado State University, Fort Collins, Colorado.
3. Mathematical Evaluation of Factors Affecting Gully Stability
4. and , (1959). Conduction of Heat in Solids. Oxford, Clarendon Press, 510 p.
5. (1956). The Mathematics of Diffusion. Oxford, 346 p.