@misc{indiciae74152f8f2ca7,
  title = {Geochemistry of sphalerite from the Star Mine, Coeur d'Alene district, Idaho},
  author = {V.C. Fryklund and Janet D. Fletcher},
  year = {1956},
  doi = {10.2113/gsecongeo.51.3.223},
  url = {https://pubs.usgs.gov/publication/70216191},
  note = {Source identifier: 70216191}
}