1. V. Kashin, Vedomosti, July 25 (2008).
2. Environmental State and Protection in the Russian Federation in 2004 (AIO Center of International Projects, Moscow, 2005).
3. A. B. German, “Palaeobotany and Earth’s Climate,” Vestnik RAN, 79 5 (2009).
4. A. Instanes, O. Anisimov, L. Brigham, et al., Infrastructure: Buildings, Support Systems, and Industrial Facilities. Arctic Climate Impact Assessment, Ed. by C. Symon, L. Arris, and B. Heal (Cambridge University Press, Cambridge, 2005).
5. Strategic Forecast of Climate Changes of the Russian Federation for the 2010–2015 (Rosgidromet, 2005).