Lockwood (2001)
Also: Lockwood 2001
Long-term variations in the magnetic fields of the Sun and the heliosphere: Their origin, effects, and implications
Lockwood, M. (2001). Long-term variations in the magnetic fields of the Sun and the heliosphere: Their origin, effects, and implications. Journal of Geophysical Research: Space Physics. 106(A8),16021-16038. PDF
https://doi.org/10.1029/2000ja000115
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.