1. David D. Zang, C. Y. Jim, G. C. Lin, Y. Q. He, J. J. Wang, and H. F. Lee, 'Climatic change, wars and dynastic cycles in China over the last millennium', Climatic Change, 2006, Vol. 79, pp. 459-477.;
2. Richards S. J. Tol, and S. Wagner, 'Climate change and violent conflict in Europe over the last millennium', Climate Change, 2010, pp. 65-79. DOI 10.1007/s10584-009-9659-2.;
3. Glossary - Climate Change. Education Center - Arctic Climatology and Meteorology. NSIDC National Snow and Ice Data Center. Cryosphere Glossary, in IPCC TAR WG1 2001. http://nsidc.org/cgi-in/words/glossary.pl).;
4. IPCC TAR WG1 (2001), Houghton, J.T.; Ding, Y.; Griggs, D.J.; Noguer, M.; van der Linden, P.J.; Dai, X.; Maskell, K.; and Johnson, C.A., ed., Climate Change 2001: The Scientific Basis, Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change, Cambridge University Press,;
5. Nicholas Stern, 'The Economics of Climate Change', Stern review, 2007, London: HM Treasury. ISBN:9780521700801.;