1. Beer, A.: 1977, ‘Environmental Impact Assessment: A Review Article’, Town Planning Review, 48 (4), 389–396.
2. Department of Environment Research Report;J Catlow,1976
3. Department of Environment Research Report;BD Clark,1976
4. Department of Environment Research Report;BD Clark,1978
5. Clark, B.D., K. Chapman, R. Bisset and P. Wathern: 1981, Assessment of Major Industrial applications: A Manual, HMSO, London.