1. J.L. Kirschvink, Late Proterozoic low-latitude global glaciation: the Snowball Earth, in: J.W. Schopf, C. Klein (Eds.), The Proterozoic Biosphere, Cambridge University Press, Cambridge, 1992, pp. 51–52.
2. A Neoproterozoic Snowball Earth;Hoffman;Science,1998
3. The snowball Earth hypothesis: testing the limits of global change;Hoffman;Terra Nova,2002
4. When all of the oceans were frozen (in French);Kirschvink;Recherche,2002
5. The effect of solar radiation variations on the climate of the earth;Budyko;Tellus,1969