Ciais, P., Canadell, J. G., Luyssaert, S., Chevallier, F., Shvidenko, A., Poussi, Z., Jonas, M., Peylin, P., King, A. W.,
Schulze, E. D., Piao, S. L., Rödenbeck, C., Peters, W., & Breon, F. M. (2010).
Can we reconcile atmospheric estimates of the Northern terrestrial carbon sink with land-based accounting?
Current Opinion in Environmental Sustainability, 2(4), 225-230. doi:10.1016/j.cosust.2010.06.008.