Wigley (2005)
Also: Wigley 2005
Effect of climate sensitivity on the response to volcanic forcing
Wigley, T. M. L. (2005). Effect of climate sensitivity on the response to volcanic forcing. Journal of Geophysical Research. 110(D9). Article
https://doi.org/10.1029/2004jd005557
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.