1. Alekperov, K. & V. I. Kryuchkov, 1981. Planktonic infusoria of the Kura hatchery ponds. Hydrobiol. J. 17: 18?22.
2. Arndt, H., H. G�de, M. Macek & K. O. Rothhaupt, 1992. Chemostats used to model the microbial food web: evidence for the feedback effect of herbivorous metazoans. Arch. Hydrobiol. Beih. Ergebn. Limnol. 37: 187?194.
3. Arndt, H., G. Jost & N. Wasmund, 1990. Dynamics of pelagic ciliates in eutrophic estuarine waters: importance of functional groups among ciliates and responses to bacterial and phytoplankton production. Arch. Hydrobiol. Beih. Ergebn. Limnol. 34: 239?245.
4. Arndt, H. & J. Mathes, 1991. Large heterotrophic flagellates form a significant part of protozooplankton biomass in lakes and rivers. Ophelia 33: 225?234.
5. Arndt, H. & B. Nixdorf, 1991. Spring clear-water phase in a eutrpphic lake: Control by herbivorous zooplankton enhanced by grazing on components of the microbial web. Verh. int. Ver. Limnol. 24: 879?883.