Diaz et al. (2011)
Also: Diaz et al. 2011
Spatial and temporal characteristics of climate in medieval times revisited
Diaz, H. F., Trigo, R., Hughes, M. K., Mann, M. E., Xoplaki, E., & Barriopedro, D. (2011). Spatial and temporal characteristics of climate in medieval times revisited. Bulletin of the American Meteorological Society, 92(11), 1487-1500. Link to PDF
doi: http://dx.doi.org/10.1175/BAMS-D-10-05003.1
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.