1. Alavi, G. and Jansson, P. E.: 1995, ‘Transpiration and Soil Moisture Dynamics for Spruce Stands of Different Canopy Densities and Water Availability’, in Nilsson, L. O. Hüttl, R. F., Johansson, U. T. and Mathy, P. (eds.),Nutrient Uptake and Cycling in Forest Ecosystems. Ecosystems Research Report 21: 41–51, Luxemburg.
2. Alexandersson, H., Karlström, C. and Larsson-McCann, S.: 1991, ‘Temperature and Precipitation in Sweden 1961–90. Reference Normals’,SMHI Meteorologi Report 81.
3. Andersson, M. E.: 1993, ‘Aluminium and Hydrogen Ions — Limiting Factors for Growth and Distribution of Beech Forest Plants’, Thesis. Dept. of Ecology, Plant Ecology, Lund University, Sweden.
4. Aronsson, A.: 1994,The Swedish University of Agricultural Sciences, Personal Communication.
5. Beier, C. and Hansen, K.: 1992,Journal of Soil Science 43, 261.