1. Davies, J. W., Pratt, C. J. and Scott, M. A. Laboratory study of permeable pavement systems to support hydraulic modelling. Proceedings of the 9th International Conference on Urban Drainage (9ICUD). September8–13, Portland, OR, USA.
2. Dierkes, C. 2002. “Pollution retention capability and maintenance of permeable pavements.In:Proceedings of the 9th International Conference on Urban Drainage (9ICUD), September 8–13, Portland, OR, USA”.
3. Hollinrake, P. G. 1991. “Permeable pavements. Report SR 264”. Wallingford, Oxfordshire: Hydraulic Research Ltd.
4. Pratt, C. J. Design guidelines for porous permeable pavements. Paper for Conference on Sustaining Urban Water Resources in the 21st Century. Malmo, Sweden.