Zahnle et al. (2007)
Also: Zahnle et al. 2007
Emergence of a Habitable Planet
Zahnle, K., Arndt, N., Cockell, C., Halliday, A., Nisbet, E., Selsis, F. & Sleep, N.Norman H. (2007). Emergence of a Habitable Planet. Geology and Habitability of Terrestrial Planets. 35-78. Article
https://doi.org/10.1007/978-0-387-74288-5_3
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.