@article{44871,
  author = {Stefan Gerber and Lars Hedin and Sonja Keel and Stephen Pacala and Elena Shevliakova},
  title = {Land use change and nitrogen feedbacks constrain the trajectory of the land carbon sink},
  year = {2013},
  journal = {Geophysical Research Letters},
  volume = {40},
  number = {19},
  pages = {5218{\textendash}5222},
  url = {http://onlinelibrary.wiley.com/doi/10.1002/grl.50957/full},
  language = {eng},
}