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Novais, M. H.; Blanco, S.; Hlubikova, D.; Falasco, E.; Gom, J.; Delgado, C.; Ivanov, P.; Acs, E.; Morais, M.; Hoffmann, L.; Ector, L. (2009). Morphological examination and biogeography of the Gomphonema rosenstockianum and G. tergestinum species complex (Bacillariophyceae). Fottea. 9(2): 257–274.