REFERENCES
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- HUSTEDT , F. 1930 . “ Bacillariophyta (Diatomeae) ” . In Die Süsswasser-Flora Mitteleuropas , Edited by: Pascher , A. Vol. 10 , 1 – 466 . Jena : G. Fischer .
- SIMONSEN , R. 1987 . Atlas and Catalogue of the Diatom Types of Friedrich Hustedt. , Berlin : J. Cramer . Text (525 pp.), Atlas (722 plates)
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