1. P. Brimblecombe, Air Composition and Chemistry (Cambridge University Press, 1986; Mir, Moscow, 1988).
2. http://www.esrl.noaa.gov/
3. http://ds.data.jma.go.jp/gmd/wdcgg/
4. J. N. Shaw, “The Abundance of Atmospheric Carbon Monoxide above Columbus, Ohio,” Astrophys. J. 128, 428–440 (1958).
5. V. I. Dianov-Klokov and E. V. Fokeeva, “Spectroscopic Measurements of the Total Content of Carbon Monoxide in Urban Air Basins,” Izv. Akad. Nauk SSSR, Fiz. Atmos. Okeana 18, 641–651 (1982).