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2. 1998. A similarity approach to characterise the hydrological behaviour of landscapes. PhD thesis, Monash University, Victotria, Australia.
3. 1993. Hydrological and environmental impacts of effluent disposal using absorption trenches on a hillslopes. In Proceedings of International Conference on Environmentally Sound Water Resources Utilisation, Bangkok, 8-11 November, Vol. 1; 49-56.
4. A similarity approach to predict landscape saturation in catchments
5. 1992. Saturation zones and ephemeral gullies on arable land in south-eastern Australia. PhD thesis, The University of Melbourne, Victoria, Australia.