1. Andronikova, I. (1996). Zooplankton characteristics in monitoring of Lake Ladoga. Hydrobiologia, 322, 173–179.
2. Balushkina, E.V., Vinberg, G.G. (1979). Dependences between mass and length of the body of plankton Crustacea (In General Basics of Research in Aquatic Ecosystems, Ed. G.G. Vinberg) – Nauka, Leningrad, pp. 169–172 (in Russian).
3. Bednarska, A. (2006). Sinice i ich wpływ na roślinożerne zwierzęta planktonowe (cyanobacteria and their influence on herbivore zooplankton. In polish, English summary). Wiadomości Ekolologiczne, 52, 59–87.
4. Brooks, J. L., & Dodson, S. I. (1965). Predation, body size and composition of plankton. Science, 15, 28–35.
5. Čeirāns, A. (2007). Zooplankton indicators of trophy in Latvian lakes—Acta Universitatis Latviensis, Biology, 723, 61–69.CORINE Land Cover, CIEP, Warsaw (2012).