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Manguin, E. (1958). Diatomées du Borkou et du Tibesti. In: P. Quezel (ed.), Mission botanique Tibesti. Institut de Recherches Sahariennes, Mém. 4, 357 p., 24 pl., 30 photo., 31 tab., 28 figs., 5 schemas. Alger (Algiers). 23-25.