Schulze, E. D., Ciais, P., Luyssaert, S., Schrumpf, M., Janssens, I. A., Thiruchittampalam, B., Theloke, J., Saurat, M., Bringezu, S., Lelieveld, J., Lohila, A., Rebmann, C., Jung, M., Bastviken, D., Abril, G., Grassi, G., Leip, A., Freibauer, A., Kutsch, W., Don, A., Nieschulze, J., Börner, A., Gash, J. H., & Dolman, A. J. (2010). The European carbon balance. Part 4: integration of carbon and other trace-gas fluxes (vol 16, pg 1451, 2010). Global Change Biology, 16(8), 2399-2399. doi:10.1111/j.1365-2486.2010.02252.x.