1. New upper Givetian to basal Frasnian conodont faunas from the Tafilalt (Anti-Atlas, Southern Morocco);Aboussalam;Geol. Quart.,2007
2. Chapter 14A–Geomathematical and statistical procedures;Agterberg,2020
3. The conodont Neognathodus bothrops Merrill, 1972 as the marker for the lower boundary of the Moscovian Stage (Middle Pennsylvanian);Alekseev,2013
4. Effects of the Middle to Late Devonian spread of vascular land plants on weathering regimes, marine biotas, and global climate;Algeo,2001
5. Redefining the Devonian–Carboniferous boundary: an overview of problems and possible solutions;Aretz,2014