@misc{indiciaed90b1095e068,
  title = {Relationships between Δ 14 C and the molecular quality of dissolved organic carbon in rivers draining to the coast from the conterminous United States},
  author = {David Butman and Peter A. Raymond and Kenna D. Butler and George R. Aiken},
  year = {2012},
  doi = {10.1029/2012gb004361},
  url = {https://pubs.usgs.gov/publication/70180386},
  note = {Source identifier: 70180386}
}