Braun et al. (2005)
Also: Braun et al. 2005
Possible solar origin of the 1,470-year glacial climate cycle demonstrated in a coupled model.
Braun, H., Christl, M., Rahmstorf, S., Ganopolski, A., Mangini, A., Kubatzki, C., Roth, K. & Kromer, B. (2005). Possible solar origin of the 1,470-year glacial climate cycle demonstrated in a coupled model. Nature, 438(7065), 208-211. Link to paper
https://doi.org/10.1038/nature04121
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.