@misc{indiciaecbeb55ffd9a0,
  title = {Exact solutions for transient spherical radiation.},
  author = {J A Hamilton and R J Astley},
  year = {2001},
  doi = {10.1121/1.1365425},
  url = {https://pubmed.ncbi.nlm.nih.gov/11386540/},
  note = {Source identifier: 11386540}
}