@misc{indiciae457e7b3865f9,
  title = {Physical characteristics of commercial sheet muscovite in the southeastern United States},
  author = {Richard H. Jahns and Forrest W. Lancaster},
  year = {1950},
  doi = {10.3133/pp225},
  url = {https://pubs.usgs.gov/publication/pp225},
  note = {Source identifier: pp225}
}