@misc{indiciaec39d4b53cfb6,
  title = {Conodont color and surface textural alteration in the Muschelkalk (Triassic) of the Silesian-Cracow Zn-Pb district, Poland},
  author = {J.E. Repetski and M. Narkiewicz},
  year = {1996},
  url = {https://pubs.usgs.gov/publication/70018662},
  note = {Source identifier: 70018662}
}