@misc{indiciae6fe1f92f92b0,
  title = {Dirac's equation in semiclassical physics.},
  author = {LW Casperson},
  year = {1995},
  doi = {10.1103/physreva.51.1673},
  url = {https://pubmed.ncbi.nlm.nih.gov/9911758/},
  note = {Source identifier: 9911758}
}