Vieira & Solanki (2010)
Also: Vieira & Solanki 2010
Evolution of the solar magnetic flux on time scales of years to millenia
Vieira, L. E. A., Solanki, S. K. (2010). Evolution of the solar magnetic flux on time scales of years to millenia. Astronomy and Astrophysics. 509,A100. PDF
https://doi.org/10.1051/0004-6361/200913276
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.