Kopp & Lean (2011)
Also: Kopp & Lean 2011, Kopp and Lean 2011, Kopp and Lean (2011)
A new, lower value of total solar irradiance: Evidence and climate significance
Kopp, G., & Lean, J. L. (2011). A new, lower value of total solar irradiance: Evidence and climate significance. Geophysical Research Letters, 38(1). Link to paper
DOI: 10.1029/2010GL045777
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.