@misc{indiciaeeddaa4f7462f,
  title = {Mercury, arsenic, antimony, and selenium contents of sediment from the Kuskokwim River, Bethel, Alaska, USA},
  author = {H. E. Belkin and H.M. Sparck},
  year = {1993},
  doi = {10.1007/bf00789322},
  url = {https://pubs.usgs.gov/publication/70017489},
  note = {Source identifier: 70017489}
}