HELLIWELL, Rachel C., and Martin KERNAN. “Modelling Hydrochemical and Ecological Trends in Acid Sensitive Surface Waters in the Scottish Highlands”. Journal of Limnology 63, no. 1 (February 1, 2004): 111–122. Accessed April 25, 2024. https://www.jlimnol.it/jlimnol/article/view/jlimnol.2004.111.