@misc{indiciae0e98b50384e3,
  title = {The sensitized luminescence of manganese-activated calcite},
  author = {J.H. Schulman and L.W. Evans and R.J. Ginther and K. J. Murata},
  year = {1947},
  doi = {10.1063/1.1697831},
  url = {https://pubs.usgs.gov/publication/70010877},
  note = {Source identifier: 70010877}
}