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2. T. E. Graedel, D. T. Hawkins, and L. D. Claxton, Atmospheric Chemical Compounds, Sources, Occurrence and Bioassay (Academic, Orlando, 1986).
3. IPCC Climate Change 2001: The Scientific Basis (IPCC/Cambridge University Press, Cambridge, 2001).
4. “Impacts of Europe’s Changing Climate,” EEA Report No. 2/2004, Luxembourg, EEA Office for Official Publications of the European Communities, 2004.
5. N. F. Elansky, “Monitoring of the Atmosphere: Russian Contribution,” Nauka Rossii, No. 6, 20–26 (2004).