Charnay et al. (2013)
Also: Charnay et al. 2013
Exploring the faint young Sun problem and the possible climates of the Archean Earth with a 3-D GCM
Charnay, B., Forget, F., Wordsworth, R., Leconte, J., Millour, E., Codron, F. & Spiga, A. (2013). Exploring the faint young Sun problem and the possible climates of the Archean Earth with a 3-D GCM. Journal of Geophysical Research: Atmospheres. 118(18),10,414-10,431. PDF
https://doi.org/10.1002/jgrd.50808
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.