Mapping and modelling of critical loads for nitrogen - a workshop report - Hornung, M.; Sutton, M.A.; Wilson, R.B. (Institute of Terrestrial Ecology, 1995)
"Report of a workshop held at Grange-over-Sands, Cumbria, UK under the auspices of the UN-ECE Convention on Long Range Transboundary Air Pollution, Working Group for Effects, 24-26 October 1994"