@inbook{DiatomBase:SourceID:265120, author = {Cholnoky, B.J.}, journal = {In: Diatomaceae I (J.B. Cholnoky, eds). Beihefte zur Nova Hedwigia}, title = {Die diatomeen im unterlaufe des Okawango-Flusses}, url = {https://www.diatombase.org/aphia.php?p=sourcedetails&id=265120}, year = {1966} }