@misc{indiciae9b12a0b666f9,
  title = {Determination of ammonium citrate-soluble cobalt in soils and sediments},
  author = {Frank Cogswell Canney and G.A. Nowlan},
  year = {1964},
  doi = {10.3133/ofr6430},
  url = {https://pubs.usgs.gov/publication/ofr6430},
  note = {Source identifier: ofr6430}
}