1. Nitrogen limitation on land and in the sea—how it can occur;Vitousek;Biogeochemistry,1991
2. Nitrogen cycles: past, present and future;Galloway;Biogeochemistry,2004
3. An Earth-system perspective of the global nitrogen cycle;Gruber;Nature,2008
4. Denman KL, Brasseur G, Chidthaisong A, Ciais P, Cox PM, Dickinson RE, Hauglustaine D, Heinze C, Holland E, Jacob D et al.: Couplings Between Changes in the Climate System and Biogeochemistry. In Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Edited by Solomon S, D. Qin, M. Manning, Z. Chen, M. Marquis, K.B. Averyt, M.Tignor, Miller HL: Cambridge, United Kingdom and New York, NY, USA: Cambridge University Press; 2007:511–539.
5. Terrestrial biogeochemical feedbacks in the climate system;Arneth;Nat Geosci,2010