@inbook{DiatomBase:SourceID:263434, author = {Østrup, E.}, journal = {In: The Botany of Iceland, vol. II, part I, L.K. Rosenvinge and E. Warming (eds.). Copenhagen,}, title = {Fresh-water Diatoms from Iceland. Part I.}, url = {https://www.diatombase.org/aphia.php?p=sourcedetails&id=263434}, year = {1918} }