Kasting (1988)
Also: Kasting 1988
Runaway and moist greenhouse atmospheres and the evolution of Earth and Venus
Kasting, J.F. (1988). Runaway and moist greenhouse atmospheres and the evolution of Earth and Venus. Icarus. 74(3),472-494. PDF
https://doi.org/10.1016/0019-1035(88)90116-9
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.