@misc{indiciaea605c6cc1caf,
  title = {Mineralogy and chemistry of oxidized ores from the Upper Silesia Mississippi Valley-type zinc-lead deposits, Poland},
  author = {S. J. Sutley and Maria-Sass Gustkiewicz and Wojciech Mayer and D. L. Leach},
  year = {1999},
  doi = {10.3133/ofr99394},
  url = {https://pubs.usgs.gov/publication/ofr99394},
  note = {Source identifier: ofr99394}
}