1. Soil classification in the Soil Survey of England and Wales;Avery;Journal of Soil Science,1973
2. The soil survey and agricultural capability assessment;Bendelow,1979
3. An ecological survey of Cumbria;Bunce,1978
4. An integrated system of land classification;Bunce;Annual Report of the Institute of Terrestrial Ecology, 1980,1981
5. Cumbria and Lake District Joint Structure Plan. Written Statement;Cumbria County Council and Lake District Special Planning Board,1980