Hoffman et al. (2017)
Also: Hoffman et al. 2017
Snowball Earth climate dynamics and Cryogenian geology-geobiology
Hoffman, P.F., Abbot, D.S., Ashkenazy, Y., Benn, D.I., Brocks, J.J., Cohen, P.A., Cox, G.M., Creveling, J.R., Donnadieu, Y., Erwin, D.H., Fairchild, I.J., Ferreira, D., Goodman, J.C., Halverson, G.P., Jansen, M.F., Le Hir, G., Love, G.D., Macdonald, F.A., Maloof, A.C. ...Warren S. G. (2017). Snowball Earth climate dynamics and Cryogenian geology-geobiology. Science Advances. 3(11),e1600983. PDF
https://doi.org/10.1126/sciadv.1600983
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.