Jurikova et al. (2020)
Also: Jurikova et al. 2020
Permian-Triassic mass extinction pulses driven by major marine carbon cycle perturbations
Jurikova, H., Gutjahr, M., Wallmann, K., Flogel, S., Liebetrau, V., Posenato, R., Angiolini, L., Garbelli, C., Brand, U., Wiedenbeck, M. & Eisenhauer, A. (2020). Permian Triassic mass extinction pulses driven by major marine carbon cycle perturbations. Nature Geoscience. 13(11),745-750. PDF
https://doi.org/10.1038/s41561-020-00646-4
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.