1. Abrahams, AD and AJ Parsons 1990 ‘Determining the mean depth of overland flow in field studies of flow hydraulics’, Water Resources Research 26, 501–503.
2. Abrahams, AD and AJ Parsons 1991 ‘Resistance to overland flow on desert pavement and its implications for sediment transport modeling’, Water Resources Research 27, 1827–1836.
3. Abrahams, AD, AJ Parsons and P Hirsch 1992 ‘Field and laboratory studies of resistance to interrill overland flow on semi-arid hillslopes, southern Arizona’, in AJ Parsons and AD Abrahams (eds) Overland Flow: Hydraulics and Erosion Mechanics, 1–23, UCL Press, London.
4. Abrahams, AD, AJ Parsons and S-H Luk 1988 ‘Resistance to overland flow on desert hillslopes’, Journal of Hydrology 88, 343–363.
5. Abrahams, AD, AJ Parsons and J Wainwright 1994 ‘Resistance to overland flow on semiarid grassland and shrubland hillslopes, Walnut Gulch, Southern Arizona’, Journal of Hydrology 156, 431–446.