@article {1342, title = {UK Status Report July 2011: Update to empirical critical loads of nitrogen}, year = {2011}, pages = {55pp}, author = {Hall, R.J. and Emmett, B. and Garbutt, A. and Jones, L and Rowe, E. and Sheppard, L and Vanguelova, E. and Pitman, R. and Britton, A. and Hester, A. and Ashmore, M. and Power, S. and Caporn, S.} }