Meehl et al. (2004)
Also: Meehl et al. 2004
Combinations of natural and anthropogenic forcings in twentieth-century climate
Meehl, G. A., Washington, W. M., Ammann, C. M., Arblaster, J. M., Wigley, T. M. L., & Tebaldi, C. (2004). Combinations of natural and anthropogenic forcings in twentieth-century climate. Journal of Climate, 17(19), 3721-3727. Link to paper
doi: http://dx.doi.org/10.1175/1520-0442(2004)017<3721:CONAAF>2.0.CO;2
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.