1. Rosenzweig C, Casassa G, Karoly DJ, Imeson A, Liu C, et al. (2007) Assessment of observed changes and responses in natural and managed systems. In: Parry ML, Canziani OF, Palutikof JP, Linden PJvd, Hanson CE, editors. Climate Change 2007: Impacts, Adaptation and Vulnerability Contribution of Working Group II to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge, UK: Cambridge University Press. 79–131.
2. A world-wide study of high altitude treeline temperatures;C Körner;Journal of Biogeography,2004
3. Forests and climate change: forcings, feedbacks, and the climate benefits of forests;GB Bonan;Science,2008
4. Climate increases regional tree-growth variability in Iberian pine forests;L Andreu;Global Change Biology,2007
5. Regional variability of climate-growth relationships in Pinus cembra high elevation forests in the Alps;M Carrer;Journal of Ecology,2007