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Miho, A. & Lange-Bertalot, H. (2006). Diversity of the genus Placoneis in Lake Ohrid and other freshwater habitats in Albania. In: A. Witkowski (ed.), Proceedings of the Eighteenth International Diatom Symposium, Miedzyzdroje, Poland, 2nd-7th September 2004. Biopress Limited, Bristol, U.K. pp. 301-313.