@misc{indiciae5187ef0e1f3e,
  title = {The origin of jasperoid in limestone},
  author = {T.G. Lovering},
  year = {1962},
  doi = {10.2113/gsecongeo.57.6.861},
  url = {https://pubs.usgs.gov/publication/70220657},
  note = {Source identifier: 70220657}
}