Huang et al. (2013)
Also: Huang et al. 2013
Paleoatmospheric pCO 2 fluctuations across the Cretaceous–Tertiary boundary recorded from paleosol carbonates in NE China
Huang, C., Retallack, G. J., Wang, C., & Huang, Q. (2013). Paleoatmospheric pCO 2 fluctuations across the Cretaceous–Tertiary boundary recorded from paleosol carbonates in NE China. Palaeogeography, Palaeoclimatology, Palaeoecology, 385, 95-105. Link to PDF
doi:10.1016/j.palaeo.2013.01.005
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.