1. Abrahamsen G (1980a) Acid precipitation, plant nutrients and forest growth. In: Drabløs D, Tollan A (eds) Ecological impact of acid precipitation. Proceedings of an international conference. (SNSF Project) Oslo-Ås, pp 58–63.
2. Environmental impact and health effects;G Abrahamsen,1980
3. Abrahamsen G (1980c) Effects of acid precipitation on soil and forest 4. Leaching of plant nutrients. In: Drabløs D, Tollan A (eds) Ecological impact of acid precipitation. Proceedings of an international conference. (SNSF Project) Oslo-Ås, p 196.
4. Abrahamsen G (1983) Sulphur pollution: Ca, Mg, and Al in soil and soil water, and possible effects on forest trees. In: Ulrich B, Pankrath J (eds) Effects of accumulation of air pollutants in forest ecosystems. D. Reidel Publishing Company, Dordrecht, pp 207–218.
5. Abrahamsen G, Stuanes AO (1986) Lysimeter study of effects of acid deposition on properties and leaching of gleyed dystric brunisolic soil in Norway. Water Air Soil Pollut 31:865–878.