1. Climate Change 2007: The Physical Science Basis, Ed. by S. Solomon, D. Qin, M. Manning, Z. Chen, M. Marquis, K. Averyt, M. Tignor and H. Miller (Cambridge University Press, Cambridge, New York, 2007).
2. Climate Change 2001: The Scientific Basis (Contribution of Working Group I to the Third Assessment Report of the Intergovernmental Panel on Climate Change, Ed. by J. T. Houghton, Y. Ding, D. J. Griggs, M. Noguer, P. J. van der Linden, X. Dai, K. Maskell, and C. A. Johnson (Cambridge University Press, Cambridge, New York, 2001).
3. C. E. Johnson, D. S. Stevenson, W. J. Collins, and R. G. Derwent, “Role of Climate Feedback on Methane and Ozone Studied with a Coupled Ocean-Atmosphere-Chemistry Model,” Geophys. Res. Lett. 28(9), 1723–1726 (2001).
4. P. D. Guhtrie, “The CH4-CO-OH Conundrum: A Simple Analytic Approach,” Global Biogeochem. Cycles 3(4), 287–298 (1989).
5. A. M. Thompson, J. A. Chappellaz, I. Y. Fung, and T. L. Kucsera, “The Atmospheric CH4 Increase Since the Last Glacial Maximum. 2. Effect on Oxidants,” Tellus 45B(3), 242–257 (1993).