1. Bosch, F. V. D. & J. Ringelberg, 1985. Seasonal succession and population dynamics of Keratella cochlearis (Gosse) and Kellicottia longispina (Kellicott) in lake Maarsseveen 1 (Netherlands). Arch. Hydrobiol. 103: 273–290.
2. Carlin, B., 1943. Die planktonrotatorien des Motalastrom. Lund: Carl Bloms Bortryckeri, 255 pp.
3. Djokosetiyanto, D. & N. Lair, 1983. Strategies d’utilisation des ressources dans un lac meso-oligotrophe: Migration verticales. Ann. Stat. biol. Besse- en Chandess. N 17: 65–91.
4. Galkovskaya, G. A., 1984. Spatial distribution of planktonic rotifers and their trophic relations in lake ecosystems. V kn. Limnologia gornykh vodoemov. Yerevan: 54 (In Russian).
5. Galkovskaya, G. A. & I. F. Mityanina, 1986. Birth rate characteristics of natural population of the rotifer Keratella cochlearis (Gosse). DAN BSSR 30: 568–570 (In Russian).