Pu et al. (2016)
Also: Pu et al. 2016
Dodging snowballs: Geochronology of the Gaskiers glaciation and the first appearance of the Ediacaran biota
Pu, J.P., Bowring, S.A., Ramezani, J., Myrow, P., Raub, T.D., Landing, E., Mills, A., Hodgin, E. & Macdonald, F.A. (2016). Dodging snowballs: Geochronology of the Gaskiers glaciation and the first appearance of the Ediacaran biota. Geology. 44(11),955-958. Article
https://doi.org/10.1130/g38284.1
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.