@misc{indiciae302176802d15,
  title = {Nutrient exchange across the sediment-water interface in the Potomac River estuary},
  author = {E. Callender and Douglas E. Hammond},
  year = {1982},
  doi = {10.1016/0272-7714(82)90050-6},
  url = {https://pubs.usgs.gov/publication/70011474},
  note = {Source identifier: 70011474}
}