%0 Generic %D 2000 %T 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 %A Curtis, C. %A Allott, T. %A Hall, J. %A Harriman, R. %A Helliwel, R. %A Hughes, M. %A Kernan, M. %A Reynolds, B. %A Ullyett, J. %B Hydrology And Earth System Sciences %V 4 %P 125-140