Yung, Blake, and Liang successfully reproduce isotopic concentration of CO2 in middle atmosphere

Mao-Chang Liang, Geoffrey A. Blake, Brenton R. Lewis, and Yuk L. Yung (2007) Oxygen isotopic composition of carbon dioxide in the middle atmosphere. Proceedings of the National Academy of Sciences of the United States of America, 104 (1): 21-25, 2 January 2007. CaltechAUTHORS.