Germain, H. & LeCohu, R. (1981). Variability of some features in a few species of Gomphonema from France and the Kerguelen Island (South Indian Ocean). In: R. Ross (ed.), Proceedings of the Sixth Symposium on Recent and Fossil Diatoms, Budapest, September 1-5, 1980, Taxonomy-Morphology-Ecology-Biology. Koeltz Publishing, Koenigstein, pp. 167-178
