@article{DiatomBase:SourceID:263784, author = {Petersen, J.B.}, journal = {A Botanical Trip to Jan Mayer, J. Grandup (ed.). Dansk botanisk arkiv udgivet af Dansk botanisk forening}, issue = {5}, pages = {13-21.}, title = {Freshwater Diatomaceae.}, url = {https://www.diatombase.org/aphia.php?p=sourcedetails&id=263784}, volume = {4}, year = {1924} }