@misc{indiciaebf8044be8909,
  title = {Bibliography of iron ore resources of the world to January 1955},
  author = {Gwendolyn Lewise Werth Luttrell},
  year = {1957},
  doi = {10.3133/b1019d},
  url = {https://pubs.usgs.gov/publication/b1019D},
  note = {Source identifier: b1019D}
}