Lastovicka et al. (2008)
Also: Lastovicka et al. 2008
Emerging pattern of global change in the upper atmosphere and ionosphere
Lastovicka, J., Akmaev, R. A., Beig, G., Bremer, J., Emmert, J. T., Jacobi, C., Jarvis, M. J., Nedoluha, G., Portnyagin, Y.I. & Ulich, T. (2008). Emerging pattern of global change in the upper atmosphere and ionosphere. Annales Geophysicae. 26(5),1255-1268. PDF
https://doi.org/10.5194/angeo-26-1255-2008
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.