@misc{indiciae297b9f7b5579,
  title = {Fluorescence-based proxies for lignin in freshwater dissolved organic matter},
  author = {Peter J. Hernes and Brian A. Bergamaschi and Robert S. Eckard and Robert G.M. Spencer},
  year = {2009},
  doi = {10.1029/2009jg000938},
  url = {https://pubs.usgs.gov/publication/70003528},
  note = {Source identifier: 70003528}
}