@misc{indiciaefecf378eb167,
  title = {USGS joins Polish scientists to study copper deposit},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1995},
  doi = {10.3133/fs20395},
  url = {https://pubs.usgs.gov/publication/fs20395},
  note = {Source identifier: fs20395}
}