1. 1982. ‘Effects of low flow regulation on river water quality and biology: a case study’ in (Ed.), River Low Flows: Conflicts of Water Use. Ministry of Works and Development, Wellington, pp. 28–44.
2. 1987, ‘Periphyton’ in (Ed.), Aquatic Biology and Hydroelectric Power Development in New Zealand. Oxford University Press, Auckland. 280 pp.
3. Periphyton communities and their environments in New Zealand rivers