@misc{indiciae88bff77e0f1f,
  title = {Nodules of diagenetic barite in Upper Devonian shales of western New York},
  author = {James F. Pepper and Sandra H. Clark and Wallace De Witt},
  year = {1985},
  doi = {10.3133/b1653},
  url = {https://pubs.usgs.gov/publication/b1653},
  note = {Source identifier: b1653}
}