@misc{indiciae7c9b8cf721bd,
  title = {The Bayan Obo iron-rare-earth-niobium deposits, Inner Mongolia, China},
  author = {Lawrence J. Drew and Meng Qingrun and Sun Weijun},
  year = {1990},
  doi = {10.1016/0024-4937(90)90040-8},
  url = {https://pubs.usgs.gov/publication/70015764},
  note = {Source identifier: 70015764}
}