@misc{indiciaeb996c24fead3,
  title = {Organic carbon and nitrogen content associated with colloids and suspended particulates from the Mississippi River and some of its tributaries},
  author = {C.E. Rostad and J.A. Leenheer and S.R. Daniel},
  year = {1997},
  doi = {10.1021/es970196b},
  url = {https://pubs.usgs.gov/publication/70019463},
  note = {Source identifier: 70019463}
}