@misc{indiciae2eb518479a46,
  title = {Colorado ferberite and the wolframite series},
  author = {Frank Lee Hess and Waldemar Theodore Schaller},
  year = {1914},
  doi = {10.3133/b583},
  url = {https://pubs.usgs.gov/publication/b583},
  note = {Source identifier: b583}
}