@misc{indiciaef3d308913706,
  title = {Analysis of ecosystem controls on soil carbon source-sink relationships in the northwest Great Plains},
  author = {Z. Tan and S. Liu and C.A. Johnston and J. Liu and L.L. Tieszen},
  year = {2006},
  doi = {10.1029/2005gb002610},
  url = {https://pubs.usgs.gov/publication/70028534},
  note = {Source identifier: 70028534}
}