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Lange-Bertalot, H. (1993). 85 neue taxa und über 100 weitere neu definierte Taxa ergänzend zur Süsswasserflora von Mitteleuropa / 85 New Taxa and much more than 100 taxonomic clarifications supplementary to SuBwasserflora von Mitteleuropa. Bibliotheca Diatomologica. 27: 164 pp., 134 pls.