References
- Harrod, J. J. & Hall, R. E., 1962: A method for determining the surface areas of various aquatic plants. — Hydrobiologia 20, 173–178.
- Hillbricht-Ilkowska, A. & Spodniewska, I., 1969: Comparison of the primary production of phytoplankton in three lakes of different trophic type. — Ekol. Pol. A 17, 241–261.
- Hillbricht-Ilkowska, A., Spodniewska, I., Wegleńska, T., Karabin, A., 1971: The seasonal variation of some ecological efficiencies and production rates in the plankton community of several Polish lakes of different trophy. — IBP UNESCO Symp. on Productivity problems of freshwaters, in print.
- Hutchinson, G. E., 1967: A treatise on limnology II. Introduction to lake biology and the limnoplankton. — New York, 1115 pp.
- Pieczy–ska, E., 1965: Variations in the primary production of plankton and periphyton in the littoral zone of lakes. — Bull. Acad. Pol. Sci. Cl. II 13, 219–225.
- Pieczyńska, E., 1968: Dependence of the primary production of periphyton upon the substrate area suitable for colonization. — Bull. Acad. Pol. Sci. Cl. II 16, 165–169.
- Pieczyńska, E. 1970: Periphyton in the trophic structure of freshwater ecosystem. — Pol. Arch. Hydrobiol. 17, in print.
- Pieczyńska, E. 1971 a: Ekologia litoralu jeziornego (Ecology of the eulittoral zone of lakes). — (In Polish.)
- Pieczyńska, E. 1971b: Production and decomposition in the eulittoral zone of lakes. — IBP UNESCO Symp. on Productivity problems of freshwaters, in print.
- Pieczyńska, E. & Spodniewska, I., 1963: Occurrence and colonization of periphyton organisms in accordance with the type of substrate. — Ekol. Pol. A 11, 533–545.
- Pieczyńska, E. & Szczepańska, W., 1966: Primary production in the littoral of several Masurian lakes. — Verh. Internat. Verein. Limnol. 16, 372–379.
- Ruttner, F. 1965: Fundamentals of limnology. — Toronto, 295 pp.
- Spodniewska, I., 1967: Dynamics of the abundance and biomass of phytoplankton in lakes Mikołajskie and Tałtowisko. — Ekol. Pol. A 15, 140–153.
- Spodniewska, I. 1969: Day-to-day variations in primary production of phytoplankton in Mikołajskie Lake. — Ekol. Pol. A 17, 504–514.
- Štěpánek, M., Binovec, J., Chalupa, J., Jiřík, V., Schmidt, P. & Zelinka, M. D., 1963: Water blooms in the ČSSR. — Sbor. VŠCHT 7 (2), 175–263.
- Topačevskij, A. V. (ed.), 1968: “Cvetenie” vody (Water blooms). — Kiev, 387 pp. (in Russian).
- Topačevskij, A. V. (ed.) 1969: “Cvetenie” vody (Water blooms) 2. — Kiev, 267 pp. (in Russian).
- Wereščagin, G. J., 1932: Methoden der hydrochemischen Analyse in der limnologischen Praxis. — Arch. Hydrobiol. 23, 1–231.