@misc{indiciaee498eb1cf2fc,
  title = {Assessment of relative accuracy in the determination of organic matter concentrations in aquatic systems},
  author = {G. Aiken and L.A. Kaplan and J. Weishaar},
  year = {2002},
  doi = {10.1039/b107322m},
  url = {https://pubs.usgs.gov/publication/70024844},
  note = {Source identifier: 70024844}
}