@misc{indiciae504decfb166d,
  title = {Tungsten deposits of the southern part of Sonora, Mexico},
  author = {John H. Wiese},
  year = {1945},
  doi = {10.3133/b946d},
  url = {https://pubs.usgs.gov/publication/b946D},
  note = {Source identifier: b946D}
}