%0 Book Section %B Atmospheric Ammonia %D 2009 %T Critical Levels for Ammonia %A Cape, J.N. %A van der Eerden, L. %A Fangmeier, A. %A Ayres, J. %A Bareham, S. %A Bobbink, R. %A Branquinho, C. %A Crittenden, P. %A Cruz, C. %A Dias, T. %A Leith, I. %A Martins-Loucao, M.A. %A Pitcairn, C. %A Sheppard, L. %A Spranger, T. %A Sutton, M. %A van Dijk, N. %A Wolseley, P. %E Sutton, M.A. %E Reis, S. %E Baker, S.M.H. %K Whim %B Atmospheric Ammonia %P 375-382 %G eng %0 Book Section %B Atmospheric Ammonia %D 2009 %T Potential for the Further Development and Application of Critical Levels to Assess the Environmental Impacts of Ammonia %A Sutton, M.A. %A Sheppard, L.J. %A Fowler, D. %E Sutton, M.A. %E Reis, S. %E Baker, S.M.H. %K Whim %B Atmospheric Ammonia %P 41-48 %G eng %0 Book Section %B Atmospheric Ammonia %D 2009 %T Reassessment of Critical Levels for Atmospheric Ammonia %A Cape, J.N. %A van der Eerden, L.J. %A Sheppard, L.J. %A Leith, I.D. %A Sutton, M.A. %E Sutton, M.A. %E Reis, S. %E Baker, S.M.H. %K Whim %B Atmospheric Ammonia %P 15-40 %G eng