@misc{indiciaeefbc255450cd,
  title = {Patterns of diel variation in nitrate concentrations in the Potomac River},
  author = {Douglas A. Burns and Matthew P. Miller and Brian A. Pellerin and Paul D. Capel},
  year = {2016},
  doi = {10.1086/688777},
  url = {https://pubs.usgs.gov/publication/70178393},
  note = {Source identifier: 70178393}
}