The Plankton of the Sangamon River in the Summer of 1929. Illinois Natural History Survey Bulletin, Champaign, IL, v. 19, n. 1-6, p. 469–486, 1931. DOI: 10.21900/j.inhs.v19.275. Disponível em: https://iopn.library.illinois.edu/journals/inhs/article/view/275.. Acesso em: 19 may. 2024.