@misc{indiciae37905006d4e3,
  title = {A field method for the determination of traces of cobalt in soils},
  author = {Hy Almond},
  year = {1952},
  doi = {10.3133/ofr525},
  url = {https://pubs.usgs.gov/publication/ofr525},
  note = {Source identifier: ofr525}
}