Gough (1981)
Also: Gough 1981
Solar interior structure and luminosity variations
Gough, D. O. (1981). Solar interior structure and luminosity variations. In Physics of Solar Variations (pp. 21-34). Springer Netherlands. Link to paper
10.1007/978-94-010-9633-1_4
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.