@misc{indiciaea2c520b6f755,
  title = {International strategic minerals inventory summary report; tin},
  author = {D. M. Sutphin and A. E. Sabin and B.L. Reed},
  year = {1990},
  doi = {10.3133/cir930j},
  url = {https://pubs.usgs.gov/publication/cir930J},
  note = {Source identifier: cir930J}
}