@misc{indiciae8fcb4d1dd05a,
  title = {A theoretical treatment of the absorption characteristics of the dithizone mixed-color system},
  author = {Robert G. Milkey},
  year = {1952},
  doi = {10.3133/tei236},
  url = {https://pubs.usgs.gov/publication/tei236},
  note = {Source identifier: tei236}
}