The Plankton of Some Sink Hole Ponds in Southern Illinois. Illinois Natural History Survey Bulletin, Champaign, IL, v. 19, n. 1-6, p. 449–467, 1931. DOI: 10.21900/j.inhs.v19.274. Disponível em: https://iopn.library.illinois.edu/journals/inhs/article/view/274.. Acesso em: 19 may. 2024.