@misc{indiciae31c4de4b9239,
  title = {Tantalum recycling in the United States in 1998},
  author = {Larry D. Cunningham},
  year = {2004},
  doi = {10.3133/cir1196j},
  url = {https://pubs.usgs.gov/publication/cir1196J},
  note = {Source identifier: cir1196J}
}