1. Pflanzensozio;Braun-Blanquet,1964
2. 1993. Diseases related to freshwater blue-green algal toxins, and control measures. In: editor. Algal toxins in seafood and drinking water. London: Academic Press p 197-209.
3. editor. 2001. Cyanotoxins?occurrence, causes, consequences. New York: Springer-Verlag. p 357.
4. editors. 1999. Toxic cyanobacteria in water. London: E & FN Spon. p 416.
5. 2000. Cyanobacterial toxins: Production, properties, significance and priorities. First mini-symposium: Cyanobacterial Components?Ecological and Ecotoxicological Implications. Berlin: Institute of Freshwater Ecology and Inland Fisheries. p 1-12.