References
- Easton, R.M., Edwards, L.E., Orndorff, R.C., Duguet, M. & Ferrusquía-Villafranca, I., 2016: North American commission on stratigraphic nomenclature, report 12 – revision of article 37, lithodemic units, of the North American stratigraphic code. Stratigraphy 13, 220–222.
- Kumpulainen, R.A. (Ed.), 2016: Guide for geological nomenclature in Sweden. GFF 139, 3–20.
- NACSN (North American Commission on Stratigraphic Nomenclature), 1983: North American stratigraphic code. American Association of Petroleum Geologists, Bulletin 67, 841–875.
- NACSN (North American Commission on Stratigraphic Nomenclature), 2017: North American stratigraphic code. https://nacsn.americangeosciences.org/sites/default/files//2018-08/AAPG_Bull-89_NACSN-Code.pdf.