Journal Article
Le Quéré, C.; Aumont, O.; Bopp, L.; Bousquet, P.; Ciais, P.; Francey, R.; Heimann, M.; Keeling, C. D.; Keeling, R. F.; Kheshgi, H. et al.; Peylin, P.; Piper, S. C.; Prentice, I. C.; Rayner, P. J.: Two decades of ocean CO
2 sink and variability. Tellus, Series B - Chemical and Physical Meteorology
55 (2), pp. 649 - 656 (2003)