%0 Report %D 1995 %T Empirical nitrogen critical loads: update since Lokeberg (1992) %A Bobbink, R. %A Roelofs, J.G.M. %E Hornung, M. %E Sutton, M.A. %E Wilson, R.B. %B Mapping and modelling of critical loads for nitrogen - a workshop report %I Institute of Terrestrial Ecology %C Bush %P 9-19