References
- Bnińska, M., Hillbricht-Ilkowska, A., Kajak, Z. & Zdanowski, B., 1974: Influence of mineral fertilization on lake ecosystem functioning. — Limnologica, in print. Materials of Symposium on Eutrophication and Water Pollution Control. Reinhardsbrunn Castle, DDR, October 1973.
- Karpiñska-Waluś, B., 1961: The growth of roach (Rutilus rutilus L.) in lakes of Węgorzewo District. — Polish Agricult. Ann. 77-B-2, 329–398 (in Polish, English and Russian summ.).
- Weglañska, T., Hillbricht-Ilkowska, A. Kajak, Z., Bovnik-Dylińska, L., Ejsmont-Karabin, J., Karabin, A., Leszczyński, L. & Prejs, K., 1975: The effect of mineral fertilization on structure and functioning of ecosystems of different types of lakes. Part II. Influence of fertilization on changes of zooplankton, bottom fauna and sedimentation of trypton. — Pol. Arch. Hydrobiol. 22, 2.
- Zdanowski, B., Bnińska, M., Korycka, A. & Sosnowska, J., 1975. The effect of mineral fertilization on structure and functioning of ecosystems of different types of lakes. Part I. Influence of fertilization on changes of water chemistry, macrophytes, chlorophyll content and pelagic primary production. — Pol. Arch. Hydrobiol. 22, 2.