Ross, W. C. “Cyclic Stratigraphy, Sequence Stratigraphy, and Stratigraphic Modeling from 1964 to 1989: Twenty-Five Years of Progress?”. Bulletin (Kansas Geological Survey), no. 233, Apr. 2024, pp. 3-8, https://doi.org/10.17161/kgsbulletin.no.233.20445.