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Lange-Bertalot, H., Witkowski, A., Bogaczewicz-Adamczak, B., & Zgrundo, A. (2003). Rare and new small-celled taxa of Navicula s. str. in the Gulf of Gdansk and in its freshwater affluents. Limnologica-Ecology and Management of Inland Waters. 33(4), 258-270.