References
- Bnińska, M., 1982: Impact of outdoor recreation upon lake ecosystems. — Mat. EIFAC Working Group COPLAKE, 12th Session of EIFAC, Budapest.
- Colby, P. J. et al., 1972: Effects of eutrophication in salmonid communities in oligotrophic lakes. — J. Fish. Res. Bd. Can. 29 (6): 975–983.
- Hartmann, J., 1978: Fischereiliche Veränderungen in kulturbedingt eutrophierenden Seen. — Schweiz. Z. Hydrol. 39 (2): 243–254.
- Leopold, M. & Bnińska, M., 1983: Wpływ użytkowania obrzeży na gospodarkę. rybacką. (The effects of lake shore use on fishery management.) — Paper presented at Sci. Conf. of the Pol. Acad. Sci., Zielona Góra, 13–14 May (typescript).
- Leopold, M., Bnińska, M., Dąbrowski, B. & Szczerbowski, J., 1981: Zapotrzebowanie gospodarki narodowej na surowce rolnicze. Ekspertyza czątkowa-rybactwo śródlądowe. (Inland Fisheries. National economy demand for agricultural products.) — Expertise for the 5th Dep. of the Pol. Acad. Sci., typescript (Library of the Inland Fisheries Inst.).
- Simmons, J. G., 1974: The ecology of natural resources. — Edward Arnold (Publ.) Ltd., London.
- Vollenweider, R. A., 1968: Scientific fundamentals of the eutrophication of lakes and flowing waters with particular reference to nitrogen and phosphorus as factors in eutrophication. — OECD DAS/SCI/68.27.
- Vollenweider, R. A. 1976: Advances in defining critical loading levels for phosphorus in lake eutrophication. — Mem. Ist. Ital. Idrohiol. 33: 53–83.
- Wody województwa Olsztyńskiego: Stan, Zagrozenie, Perspektywy. Collective Work, 1983: (Waters of the Olsztyn Voivodship: state, menace to, prospects). — Report of the Polish Ecological Club, Varmian-Mazurian Branch, typescript (Library of the Inland Fisheries Inst.).
- Zawisza, J., Leopold, M., Zdanowski, B. & Bnińska, M., 1979: Jakie przyjąć kierunki rybactwa jeziorowego w Makroregionie Północno-Wschodnim na tle istniejącej i spodziewanej eutro-fizacji jezior. (Directions of lake fisheries development in the North-eastern Macroregion on the background of progressing lake eutrophication.) — Expertise for the 8th Expert Group of the Pol. Acad. Sci., typescript (Library of the Inland Fisheries Inst.).