1. Alexandersson, H., Karlström, C. and Larsson-McCann, S.: 1991, Temperature and precipitation in Sweden 1961?90. Reference normal, The Swedish Meterological and Hydrological Institute, Report Meteorology 81, p. 87 (in Swedish with English summary).
2. Ahl, T.: 1991, Vatten 47, 338.
3. Bishop, K. H.: 1991a, Vatten 47, 342.
4. Bishop, K. H.: 1991b, Episodic Increases in Stream Acidity, Catchment Flow Pathways and Hydrograph Separation, PH. D. Thesis, Cambridge Univ., p. 241.
5. Bishop, K. H., Grip, H. and O Neill, A.: 1990, J. Hydrol 116, 35.