APIS Bibliography

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Kernan M, Helliwel R. Partitioning the variation within the acid neutralizing capacity of surface waters in Scotland in relation to land cover, soil and atmospheric depositional factors. Science of the Total Environment . 2001 ;265:39-49.

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Curtis C, Allott T, Hall J, Harriman R, Helliwel R, Hughes M, Kernan M, Reynolds B, Ullyett J. 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. Hydrology And Earth System Sciences. 2000 ;4:125-140.