L.J. S, Leith ID, Mizunuma T, Leeson S, Kivimaki S, Cape JN, van Dijk N, Leaver D, Sutton MA, Fowler D, et al. Inertia in an ombrotrophic bog ecosystem in response to nine years? realistic perturbation by wet deposition of nitrogen, separated by form. Global Change Biology. 2014  ;20(2):566-580.

Sheppard LJ, Leith ID, Mizunuma T, Leeson S, Kivimaki SK, Cape JN, van Dijk N, Leaver D, Sutton MA, Fowler D, et al. Inertia in an ombrotrophic bog ecosystem in response to nine years? realistic perturbation by wet deposition of nitrogen, separated by form. Global change Biology . 2013  .

Stevens CJ, Manning P, Van Den Berg LJL, De Graaf MCC, Wamelink GWW, Boxman AW, Bleeker A, Vergeer P, Arroniz-Crespo M, Limpens J, et al. Ecosystem responses to reduced and oxidised nitrogen inputs in European terrestrial habitats.  Environmental Pollution. 2011  ;159 :665-676.

Dise NB, Ashmore MR, S B, Bleeker A, Bobbink R, de Vries W, Erisman JW, Spranger T, Stevens CJ, Van Den Berg LJL. Nitrogen deposition as a threat to European Terrestrial Biodiversity. In: European Nitrogen Assessment. European Nitrogen Assessment. Cambridge University Press; 2011. pp. 463-494.

Van Den Berg LJL, Vergeer P, Rich TCG, Smart SM, Guest D, Ashmore MR. Direct and indirect effects of nitrogen deposition on species composition change in calcareous grasslands. Global Change Biology. 2010  ;17:1871-83.