References
- Alm, G., 1946: Reasons for the occurrence of stunted fish populations with special regard to the perch. — Rep. Inst. Freshw. Res. Drottningholm 25: 1–146.
- Hultberg, H., 1988: Critical loads for sulphur to lakes and streams. — Nord 15: 185–200.
- Lappalainen, A., Rask, M. & Vuorinen, P. J., 1988: Acidification affects the perch. Perca fluviatilis, populations in small lakes of southern Finland. — Env. Biol. Fish. 21: 231–239.
- Muniz, I. P., 1984: The effects of acidification on Scandinavian freshwater fish fauna. — Phil. Trans. R. Soc. Land B 305: 517–528.
- Raitaniemi, J., Rask, M. & Vuorinen, P. J., 1988: The growth of perch, Perca fluviatilis L., in small Finnish lakes at different stages of acidification. — Ann. Zool. Fennici 25: 209–219.
- Rask, M. & Tuunainen, P., 1990: Acid-induced changes in fish populations of small Finnish lakes. — In: Kauppi, P., Kenttämies, K. & Anttila, P. (Eds.), Acidification in Finland: 911–927. Springer-Verlag, Heidelberg.
- Ryan, P. M. & Harvey, H. H., 1980: Growth responses of yellow perch, Perca flavescens (Mitchill), to lake acidification in the La Cloche mountain lakes of Ontario. — Env. Biol. Fish. 5: 97–108.
- Tuunainen, P., Vuorinen, P. J., Rask, M., Järvenpää, T. & Vuorinen, M., 1987: Effects of acidic deposition on fish, report 1986. — Riista-ja kalatalouden tutkimuslaitos, kalantutkimusosasto. Monistettuja julkaisuja 67: 1–72. (In Finnish, with an English summary.)