1. AME, NRA, CoL & SRC, (1993) Tomorrow’s Towns: an Urban Environment Initiative. Sponsored by the Association of Municipal Engineers, National Rivers Authority, Corporation of London and Strathclyde Regional Council. Institution of Civil Engineers, London.
2. Bakkes, J.A., van den Born, G.J., Heller, J.C., Swart, R.J., Hope, C.W. and Parker, J.D.E., (1994) An Overview of Environmental Indicators: State of the Art and Perspectives, UNEP/EATR. 94-01; RIVM/40 2001001 Environmental Assessment Sub-Programme, UNEP, Nairobi.
3. Beale, D.C., (1992) Recent Developments in the Control of Urban Runoff, J. IWEM 6(2), Lavenham Press.
4. Beven, K., (1993) Riverine Flooding in a Warmer Britain, in The Geographical Journal, 159 (2) pp. 157–161.
5. Brookes, A., (1992) Recovery and Restoration of some Engineered British River Channels. In Boon, P.J., Calow, P. and Petts, G.E. (eds) River Conservation and Management. John Wiley & Sons, Chichester.