%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