@misc{indiciaedd29ac4051db,
  title = {Authigenic vivianite in Potomac River sediments: control by ferric oxy-hydroxides},
  author = {P.P. Hearn and D.L. Parkhurst and E. Callender},
  year = {1983},
  doi = {10.1306/212f817f-2b24-11d7-8648000102c1865d},
  url = {https://pubs.usgs.gov/publication/70011461},
  note = {Source identifier: 70011461}
}