@misc{indiciae642b938c4326,
  title = {Chemical and optical changes in freshwater dissolved organic matter exposed to solar radiation},
  author = {C.L. Osburn and D.P. Morris and K. A. Thorn and R.E. Moeller},
  year = {2001},
  doi = {10.1023/a:1010657428418},
  url = {https://pubs.usgs.gov/publication/70023231},
  note = {Source identifier: 70023231}
}