TY - JOUR A1 - Skeffington, R. T1 - European nitrogen policies, nitrate in rivers and the use of the INCA model JO - Hydrol. Earth Syst. Sci. J1 - HESS VL - 6 IS - 3 SP - 315 EP - 324 Y1 - 1999/11/30 PB - Copernicus Publications SN - 1027-5606 UR - http://www.hydrol-earth-syst-sci.net/6/315/2002/ L1 - http://www.hydrol-earth-syst-sci.net/6/315/2002/hess-6-315-2002.pdf ER -