Park & Royer (2011)
Also: Park & Royer 2011
Geologic constraints on the glacial amplification of Phanerozoic climate sensitivity
Park, J., & Royer, D. L. (2011). Geologic constraints on the glacial amplification of Phanerozoic climate sensitivity. American Journal of Science, 311(1), 126. Link to PDF
doi: 10.2475/01.2011.01
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.