Huber & Knutti (2012)
Also: Huber & Knutti 2012, Huber and Knutti 2011, Huber and Knutti (2011)
Anthropogenic and natural warming inferred from changes in Earth/'s energy balance
Huber, M., Knutti, R. (2011). Anthropogenic and natural warming inferred from changes in Earth’s energy balance. Nature Geoscience. 5(1),31-36. PDF
https://doi.org/10.1038/ngeo1327
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.