@misc{indiciae125faebb460b,
  title = {An apparatus for the study of thermoluminescence from minerals},
  author = {George E. Ashby and R.C. Kellagher},
  year = {1957},
  doi = {10.3133/tei691},
  url = {https://pubs.usgs.gov/publication/tei691},
  note = {Source identifier: tei691}
}