References
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- Happey-Wood, C. M., 1988: Ecology of freshwater planktonic green-algae. — In: Sandgreen, C. D. (ed.): Growth and Reproductive Strategie of Freshwater Phytoplankton: 175 -226. Cambridge Univ. Press, Cambridge.
- Hutchinson, G. E., 1975: A Treatise on Limnology. III. Limnological Botany. — John Wiley & Sons, NY, 1115 pp.
- Sand-Jensen, K. & Borum, J., 1991: Interactions among phytoplankton, periphyton and macrophytes in temperate freshwaters and estuaries. — Aquat. Bot. 41(1–3): 137–176.