%0 Report %D 1995 %T Mapping and modelling of critical loads for nitrogen - a workshop report %A Hornung, M. %A Sutton, M.A. %A Wilson, R.B. [Eds.] %B Grange-over-Sands, UN-ECE Convention on Long Range Transboundary Air Pollution, Working Group for Effects %I Institute of Terrestrial Ecology, Edinburgh, UK. %C Cumbria, UK %8 10/1994