Held & Soden (2000)
Also: Held & Soden 2000
Water vapor feedback and global warming
Held, I. M., & Soden, B. J. (2000). Water vapor feedback and global warming. Annual review of energy and the environment, 25(1), 441-475. Link to paper
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.