References
- Granberg, K. & Nyrönen, J., 1976: The limnological studies in Central Päijänne in 1975. (In Finnish, summary in English). — Hydrobiol. Res. Inst. Jyväskylä, Rep. 75: 1–70.
- Hakkari, L. (ed.), 1974: The biological research of Central Päijänne in 1969–1973. (In Finnish, summaries in English). — Hydrobiol. Res. Inst. Jyväskylä, Rep. 43: 1–83.
- Swingle, H. S., 1950: Relationships and dynamics of balanced and unbalanced fish populations — Alabama Agr. Exp. Stat. Bull. 274: 1–74.
- Nain P., 1970: Fishery biological investigations on Lake Päijänne. Preliminary report and fishery plan I. (In Finnish, summary in English). — Hydrobiol. Res. Inst. Jyväskylä, Rep. 7: 1–101.
- Tuunainen, P., Granberg, K., Hakkari, L. & Särkkä, J., 1972: On the effects of eutrophication on Lake Päijänne, Central Finland. — Verh. Internat. Verein Limnol. 18: 388–402.