References
- Ahl, T., 1977: Diffusa föroreningar i relation till markanvändning. Diffuse vannförorensningar (in Swedish). — Nordforsk, Miljövårdssekretariatet, Pubi. 1977 (2): 483–490.
- Forsius, M., KämäRi, J., Kortelainen, P., Mannio, J., Verta, M. & Kinnunen, K., 1990: Statistical lake survey in Finland: Regional estimates of lake acidification. — In: Kauppi, P., Kenttämies, K. & Anttila, P. (Eds.): Acidification in Finland. Springer-Verlag, Heidelberg, (in press).
- Kauppi, L., 1979: Effect of drainage basin characteristics on the diffuse load of phosphorus and nitrogen. — Publications of the Water Research Institute, National Board of Waters, Finland 30: 21–44.
- Kauppi, L., Knuuttila, S., Sandman, O. & Eskonen, K., 1990: Role of landuse in the occurrence of blue-green algal blooms. — Verh. Internat. Verein. Limnol. 24: 671–676.
- Kortelainen, P., Mannio, J., Forsius, M., Kämäri, J. & Verta, M. 1989: Finnish lake survey: The role of organic and anthropogenic acidity. — Water, Air, SoilPollut. 46: 235–249.
- NBW, 1981: Vesihallinnon analyysimenetelmät (in Finnish). — Report213, NationalBoardofWaters, Finland.
- Pitkänen, H., 1987: Discharges of nutrients and organic matter to the Gulf of Bothnia by Finnish rivers in 1968–1983. — Publications of the Water Research Institute, National Board of Waters, Finland, 68: 72–83.
- Raatikainen, M. & Kuusisto, E., 1990: The number, area and volume of the lakes in Finland (in Finnish with English abstract). — Terra, (in press).