Kristjansson et al. (2008)
Also: Kristjansson et al. 2008
Cosmic rays, cloud condensation nuclei and clouds, a reassessment using MODIS data
Kristjansson, J. E., Stjern, C. W., Stordal, F., Fjaeraa, A. M., Myhre, G. & Jonasson, K. (2008). Cosmic rays, cloud condensation nuclei and clouds, a reassessment using MODIS data. Atmospheric Chemistry and Physics. 8(24),7373-7387. PDF
https://doi.org/10.5194/acp-8-7373-2008
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.