1. Akselsson, C. (2005). Regional nutrient budgets in forest soils in a policy perspective. Ph. D. Thesis, Department of Chemical Engineering, Lund University, 212 pp.
2. Akselsson, C., Holmqvist, J., Alveteg, M., Kurz, D., & Sverdrup, H. (2004). Scaling and mapping regional calculations of soil chemical weathering rates in Sweden. Water, Air, and Soil Pollution: Focus, 4, 671–681.
3. Bertills, U. (2003). Bara naturlig försurning - Underlagsrapport till fördjupad utvärdering av miljömålsarbetet. Report 5317, The Swedish Environmental Protection Agency, Stockholm, 147 pp. (In Swedish).
4. Egnell, G., Nohrstedt, H.-Ö., Weslien, J., Westling, O., & Örlander, G. (1998). Miljökonsekvensbeskrivning av skogsbränsleuttag, asktillförsel och övrig näringskompen-sation. Report 1:1998, National Board of Forestry in Sweden, Jönköping, 170 pp. (In Swedish).
5. Hägglund, B. (1985). En ny svensk riksskogstaxering (A new Swedish National Forest Survey). Report 37, Swedish University of Agricultural Sciences, Uppsala, 93 pp. (In Swedish with English summary).