Royer (2010)
Also: Royer 2010
Fossil soils constrain ancient climate sensitivity
Royer, D. L. (2010). Fossil soils constrain ancient climate sensitivity. Proceedings of the National Academy of Sciences, 107(2), 517518. Link to paper
doi: 10.1073/pnas.0913188107
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.