1. A.P.H.A., A.W.W.A. & W.E.F., 1995. Standard methods for the examination of water and wastewaters, 19th ed. American Public Health Association, Washington.
2. Barber, H. G. & E. Y. Hawarth, 1981. A guide to the morphology of the diatom frustules. Freshwater Biological Association, Scientific Publications No. 44, Cambria: 112 pp.
3. Basu, B. K. & F. R. Pick, 1996. Factors regulating phytoplankton and zooplankton biomass in temperate rivers. Limnology and Oceanography 41: 1572–1577.
4. Basu, B. K. & F. R. Pick, 1997. Phytoplankton and zooplankton development in a lowland, temperate rivers. Journal of Plankton Research 19: 237–253.
5. Borics, G., G. Várbiró, I. Grigorszky, E. Krasznai, S. Szabó & K. H. Kiss, 2007. A new evaluation technique of potamo-plankton for the assessment of the ecological status of rivers. Archiv für Hydrobiologie Supplement 161/3–4, Large Rivers 17: 465–486.