@misc{indiciae6c0fc09afa86,
  title = {Some Nd and Sr isotopic systematics for the REE-enriched deposit at Bayan Obo, China},
  author = {J. Philpotts and M. Tatsumoto and X. Li and K. Wang},
  year = {1991},
  doi = {10.1016/0009-2541(91)90098-c},
  url = {https://pubs.usgs.gov/publication/70016736},
  note = {Source identifier: 70016736}
}