@misc{indiciae81a7bc85c58e,
  title = {North America's net terrestrial CO 2 exchange with the atmosphere 1990–2009},
  author = {A.W. King and R.J. Andres and K.J. Davis and M. Hafer and D.J. Hayes and Deborah N. Huntzinger and Bernardus de Jong and W.A. Kurz and A. David McGuire and Rodrigo I. Vargas and Y. Wei and Tristram O. West and Christopher W. Woodall},
  year = {2015},
  doi = {10.5194/bg-12-399-2015},
  url = {https://pubs.usgs.gov/publication/70169231},
  note = {Source identifier: 70169231}
}