1. Abrahamsen G, Hoviand J, Hågvar S (1980) Effects of artificial acid rain and liming on soil organisms and the decomposition of organic matter. In: Hutchinson TC, Havas M (eds) Effects of acid precipitation on terrestrial ecosystems. Plenum Press, New York and London, pp 341–362.
2. Alexander M (1980) Effects of acidity on microorganisms and microbial processes in soil. In: Hutchinson TC, Havas M (eds) Effects of acid precipitation on terrestrial ecosystems. Plenum Press, New York and London, pp 363–374.
3. Andersson F, Fagerström T, Nilsson SI (1980) Forest ecosystem responses to acid deposition-hydrogen ion budget and nitrogen/tree growth model approaches. In: Hutchinson TC, Havas M (eds) Effects of acid precipitation on terrestrial ecosystems. Plenum Press, New York and London, pp 319–334.
4. Bååth E, Berg B, Lohm U, Lundgren G, Lundkvist H, Rosswall T, Söderström B, Wirén A (1980) Effects of experimental acidification and liming on soil organisms and decomposition in a Scots pine forest. Pedobiologia 20:85–100.
5. Francis AJ, Olson D, Bernatsky R (1980) Effect of acidity on microbial processes in a forest soil. In: Drabløs D, Tollan A (eds) Ecological impact of acid precipitation. Proceedings of an international conference. (SNSF Project) Oslo-Ås. pp 166–167.