References
- Bernatowicz, S., 1969: Macrophytes in the lake Warniak and their chemical composition. — Ekol. Pol. A, 17, 447–467.
- Cahn, A. R., 1929: The effect of carp on a small lake: the carp as a dominant. — Ecology 10, 271–274.
- Grygierek, E., Ilkowska, A., & Spodniewska, I., 1966: The effect of fish on plankton community in ponds. — Verh. Intemat. Verein. Limnol. 16, 1359–1366.
- Kajak, Z., in press: Experimental analysis of the dependence of the abundance and production of unpredatory benthos on its food and predators — “Productivity problems of freshwaters”, Warszawa-Kraków.
- Shorygin, A. A., 1952: Feeding and the food relationships of fishes in the Caspian Sea. — Moskva, 268 pp. (in Russian).
- Tryon, C. A., 1954: The effect of carp enclosures on growth of submerged aquatic vegetation in Pymatuning Lake, Pensylvania. — J. Wildlife Manag. 18, 251–258.
- Wolny, P., 1962: The usefulness of the purified town sewage for fish culture. — Roczn. Nauk. Roln. B, 81, 231–249 (in Polish, summary in English).