1. Beadle, L. C., 1932. Scientific results of the Cambridge Expedition to the East African Lakes, 1930–31. 4. The waters of some East African Lakes in relation to their fauna and flora. J. Linn. Soc. (Zool.) 38: 157–211.
2. Berg, A., 1962. Exposé des méthodes d'analyse chimique et physico-chimique des eaux humiques. Mém. Inst. Ital. Idrobiol. 15: 183–206.
3. Burgis, M. J., J. P. Darlington, I. G. Dunn, G. G. Ganf, J. J. Gwahaba & L. M. Mc Gowan, 1973. The biomass and distribution of organisms in Lake George, Uganda. Proc. R. Soc. Lond. B 184: 271–298.
4. Carmouze, J.-P., J.-M. Chantraine & J. Lemoalle, 1983. Physical and chemical characteristics of the water. In: Lake Chad - Ecology and productivity of a shallow tropical ecosystem. Ed. J.-P. Carmouze, J. R. Durand & G. Lévêque, Junk Publ., The Hague: 65–92.
5. Caljon, A. G., 1983. Brackish-water phytoplankton of the Flemish lowland. Developments in Hydrobiology 18. Junk Publ., The Hague: 272 pp.