1. Soil Classification for England and Wales;Avery,1980
2. Acid deposition in the United Kingdom;Barrett,1983
3. A preliminary appraisal of the soil hydrology of the Wye catchment on Plynlimon;Bell;Welsh Soils Discussion Group, Rep.,1972
4. Chemical characterization of some dilute acidified lakes and streams in the Adirondack region of New York State;Driscoll,1980
5. Soil Pipes and Pipeflow — A Hydrological Study in Upland Wales;Gilman,1980