Boulton et al. (2010)
Also: Boulton et al. 2010
The Independent Climate Change E-mails Review
Boulton, G., Clarke, P., Eyton, D., & Norton, J. (2010). The Independent Climate Change E-mails Review. Link to PDF
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.