Cyanotoxin-producing bloom of Anabaena flos-aquae, Anabaena discoidea and Microcystis aeruginosa (Cyanobacteria) in Nyanza Gulf of Lake Victoria, Kenya
  Lothar Krienitz; Andreas Ballot; Claudia Wiegand; Kiplagat Kotut; Geoffrey A. Codd; Stephan Pflugmacher
            2002
      
  Journal of applied botany. - 76(2002), S. 179-183