@article{IRMNG:SourceID:194642, author = {Cavalier-Smith, T.}, doi = {10.1016/0303-2647(81)90050-2}, journal = {Biosystems}, pages = {461-481}, title = {Eukaryote kingdoms: Seven or nine?}, url = {https://irmng.org/aphia.php?p=sourcedetails&id=194642}, volume = {14}, year = {1981} }