1. Alcamo, J., R. Shaw & L. Hordijk, 1990. The RAINS model of acidification — Science and strategies in Europe. Kluwer Academic Publishers, Dordrecht, The Netherlands, 402 pp.
2. Appleby, P. G., N. Richardson, P. J. Nolan & F. Oldfield, 1990. Radiometric dating of the United Kingdom SWAP sites. In R. W. Battarbee, J. Mason, I. Renberg & J. F. Tailings (eds), Palaeolimnology and lake acidification. Phil. Trans. r. Soc., Lond. B 327: 233–242.
3. Baker, J. P. & C. P. Schofield, 1982. Aluminium toxicity to fish in acidic waters. Wat. Air Soil Pollut. 31: 289–309.
4. Barrett, C. F., D. H. F. Atkins, J. N. Cape, D. Fowler, J. G. Irwin, A. S. Kallend, A. Martin, J. Pitman, R. A. Scriven & A. F. Tuck, 1983. Acid deposition in the United Kingdom. Report from Stevenage, Hertfordshire, Warren Spring Laboratory, England.
5. Working paper;R. W. Battarbee,1985