@article{ERMS:SourceID:167735, author = {Kofoid, C.A. and Swezy, O.}, journal = {Memoirs of the University of California}, pages = {1-562.}, title = {The free-living unarmored Dinoflagellata}, url = {https://www.biodiversitylibrary.org/page/20306447}, volume = {5}, year = {1921} }