References
- Ryding, S. & Rast, W., 1989: The control of eutrophication of lakes and reservoirs. — UNESCO, 314 pp., Paris.
- Sperling, E. V., 1992: Determination of the settling velocity of phosphorus in an aerated lake. — Water Sci. Technol. 26: 1973–1979.
- Sperling, E. V., 1993: Nutrient assimilation capacity of lakes and reservoirs situated in tropical climates. — Environmental Pollution: 340–344.