Joachimski et al. (2012)
Also: Joachimski et al. 2012
Climate Warming in the Latest Permian and the Permian-Triassic Mass Extinction
Joachimski, M. M., Lai, X., Shen, S., Jiang, H., Luo, G., Chen, B.,
Sun, Y. (2012). Climate Warming in the Latest Permian and the Permian-Triassic Mass Extinction. Geology, 40(3), 195198. Link to abstract
doi: 10.1130/G32707.1
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.