@misc{indiciaee784b42773c4,
  title = {Mineralogy and stable isotopes of black shale-hosted manganese ores, Southwestern Taurides, Turkey},
  author = {H. Ozturk and J.R. Hein},
  year = {1997},
  doi = {10.2113/gsecongeo.92.6.733},
  url = {https://pubs.usgs.gov/publication/70019400},
  note = {Source identifier: 70019400}
}