%0 Generic %D 2001 %T Biosphere-atmosphere interactions of ammonia with grasslands: experimental strategy and results from a new European initiative %A Sutton, M.A. %A Milford, C. %A Nemitz, E. %A Theobald, M.R. %A Fowler D. %A Schjoerring, J.K. %A Mattsson, M.E. %A Nielsen, K.H. %A Husted, S. %A Erisman, J.W. %A Oties, R. %A Hensen, A. %A Mosquera, J. %A Cellier, P. %A Loubert, B. %A David, M. %A Genermont, S. %A Neftel, A. %A Blatter, A. %A Herrmann, B. %A Jones, S.K. %A Horvath, L. %A Flhrer, E. %A Mantzanas, K. %A Koukoura, Z. %A Gallagher, M. %A Williams, P. %A Flynn, M. %A Riedo, M. %B Plant and Soil %V 228 (1) %P 131-145