1. Ball, S. and Bell, S. (1991) Environmental Law, Blackstone Press, London.
2. Carley, M.J. and Bustelo, E.S. (1984) Social Impact Assessment and Monitoring. A guide to literature, Westview, London.
3. DoE (1991) Policy Appraisal and the Environment, HMSO, London.
4. DoE (1992a) Development Plans and Regional Guidance. PPG12, HMSO, London.
5. DoE (1992b) Development Plans. A good Practice Guide, HMSO, London.