EL HERRY, S., H. NASRI, and N. BOUAÏCHA. “Morphological Characteristics and Phylogenetic Analyses of Unusual Morphospecies of Microcystis Novacekii Forming Bloom in the Cheffia Dam (Algeria)”. Journal of Limnology, vol. 68, no. 2, Aug. 2009, pp. 242-50, doi:10.4081/jlimnol.2009.242.