Wang et al. (2005)
Also: Wang et al. 2005
Modeling the Sun’s Magnetic Field and Irradiance since 1713
Wang, Y.‐M., Lean, J. L. & Sheeley, Jr., N. R. (2005). Modeling the Sun’s Magnetic Field and Irradiance since 1713. The Astrophysical Journal. 625(1),522-538. Article
https://doi.org/10.1086/429689</p
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.