@misc{indiciae99dfa8123059,
  title = {Petrology of the Lisburne limestone, 1950},
  author = {P.D. Krynine and R.L. Folk},
  year = {1954},
  doi = {10.3133/ofr54159},
  url = {https://pubs.usgs.gov/publication/ofr54159},
  note = {Source identifier: ofr54159}
}