TY - Generic T1 - Critical loads of sulphur and nitrogen for freshwaters in Great Britain and assessment of deposition reduction requirements with the First-order Acidity Balance (FAB) model Y1 - 2000 A1 - Curtis, C. A1 - Allott, T. A1 - Hall, J. A1 - Harriman, R. A1 - Helliwel, R. A1 - Hughes, M. A1 - Kernan, M. A1 - Reynolds, B. A1 - Ullyett, J. JF - Hydrology And Earth System Sciences VL - 4 ER -