@misc{indiciae9617cc54f88a,
  title = {Aspects of light rare earth element resources, Bayan Obo, China},
  author = {D. M. Sutphin and L. J. Drew},
  year = {1998},
  doi = {10.3133/ofr98125},
  url = {https://pubs.usgs.gov/publication/ofr98125},
  note = {Source identifier: ofr98125}
}