Free & Robock (1999)
Also: Free & Robock 1999
Global warming in the context of the Little Ice Age
Free, M., & Robock, A. (1999). Global warming in the context of the Little Ice Age. Journal of Geophysical Research: Atmospheres, 104(D16), 19057-19070. Link to PDF
DOI: https://doi.org/10.1029/1999JD900233
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.