@misc{indiciae28085dad2059,
  title = {New light on a dark subject: On the use of fluorescence data to deduce redox states of natural organic matter (NOM)},
  author = {Donald L. Macalady and Katherine Walton-Day},
  year = {2009},
  doi = {10.1007/s00027-009-9174-6},
  url = {https://pubs.usgs.gov/publication/70034806},
  note = {Source identifier: 70034806}
}