1. The Nature of the Stratigraphical Record;Ager,1973
2. Biostratigraphy of the Carboniferous in the Moscow Syneclise, Russia;Alekseev;Newsletter on Carboniferous stratigraphy,2004
3. Evidence for a diachronous Late Permian marine crisis from the Canadian Arctic region;Algeo;Bull. Geol. Soc. Am.,2012
4. Redefining the Devonian-Carboniferous Boundary: an overview of problems and possible solutions;Aretz,2014
5. The redefinition of the Devonian-Carboniferous Boundary: recent developments and introduction to the workshop;Aretz,2015