1. Boden, T. A., D. P. Kaiser, R. J. Sepanski and F. W. Stoss (ed.) (1994): Trends ‘83: A Compendium of Data on Global Change. ORNL/CDIAC-65, Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, Oak Ridge, Tenn, U.S.A.
2. Bolin, B. and C. D. Keeling (1963): Large-scale atmospheric mixing as deduced from the seasonal and meridional variations of carbon dioxide. J. Geophys. Res., 68, 3899–3920.
3. Conway, T. J., P. P. Tans and L. S. Waterman (1994): Atmospheric CO2 records from sites in the NOAA/CMDL air sampling network. pp. 41–119. In Trends ‘83: A Compendium of Data on Global Change, ed. by T. A. Boden, D. P. Kaiser, R. J. Sepanski and F. W. Stoss, ORNL/CDIAC65, Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, Oak Ridge, Tenn, U.S.A.
4. DOE (1994): Handbook of Methods for the Analysis of the Various Parameters of the Carbon Dioxide in Sea Water; version 2, ed. by A. G. Dickson and C. Goyet, ORNL/CDIAC-74, Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, Oak Ridge, Tenn, U.S.A.
5. Feely, R. A., R. H. Gammon, B. A. Taft, P. E. Pullen, L. S. Waterman, T. J. Conway, J. F. Gendron and D. P. Wisegarver (1987): Distribution of chemical tracers in the eastern equatorial Pacific during and after the 1982–83 El Nino/Southern Oscillation Event, J. Geophys. Res., 92, 6545–6558.