Global Nutrient Export from WaterSheds 2 (NEWS 2): Model development and implementation. - Emilio Mayorga; Sybil P. Seitzinger; John A. Harrison; Egon Dumont; Arthur H. W. Beusen; A. F. Bouwman; Balazs M. Fekete; Carolien Kroeze; Gerard Van Drecht (Environ. Model. Softw., 2010)