KNAPP, Ralph W.; WATNEY, W. Lynn; FRENCH, John A. Seismic Response of Pennsylvanian Cyclothems in Douglas County, Kansas. Bulletin (Kansas Geological Survey), [S. l.], n. 237, p. 53–56, 2024. Disponível em: https://journals.ku.edu/kgsbulletin/article/view/20423.. Acesso em: 3 jul. 2024.