@misc{indiciaeef4c62296f0a,
  title = {Radiative transfer as a sum over paths.},
  author = {J Tessendorf},
  year = {1987},
  doi = {10.1103/physreva.35.872},
  url = {https://pubmed.ncbi.nlm.nih.gov/9898214/},
  note = {Source identifier: 9898214}
}