1. Aikawa M, Yoshikawa K, Tomida M, Aotsuka F, Haraguchi H (1995) Continuous monitoring of the carbon dioxide concentration in the urban atmosphere of Nagoya, 1991–1993. Anal Sci 11:357–362
2. Baez A, Reyes M, Rosas I, Mosiño P (1988) CO2 concentrations in the highly polluted atmosphere of Mexico City. Atmosfera 1:87–98
3. Bhattacharya SK, Jani RA, Borole DV, Francey RJ, Masarie KA (1997) Atmospheric carbon dioxide and other trace gases in a tropical Indian station. In: Gröning M, Gibert-Massault E (eds) First research coordination meeting, coordinated research programme on isotope-aided studies of atmospheric carbon dioxide and other greenhouse gases: report, Vienna, Austria. IAEA Isotope Hydrology Section, Vienna
4. Bolin B, Doos BR, Jager J, Warrick RA (1986) The greenhouse effect, climatic change, and ecosystems: SCOPE 29. Wiley, New York
5. Colombo T, Santaguida R, Capasso A, Calzolari F, Evangelisti F, Bonasoni P (2000) Biospheric influence on carbon dioxide measurements in Italy. Atmos Environ 34:4963–4969