BORNEMANN, E.; DOVETON , J.H.; ST. CLAIR , P.N. Lithofacies analysis of the Viola Limestone in South-central Kansas. Bulletin (Kansas Geological Survey), [S. l.], p. 1–44, 1982. DOI: 10.17161/kgsbulletin.no.23590. Disponível em: https://journals.ku.edu/kgsbulletin/article/view/23590. Acesso em: 13 apr. 2025.