@misc{indiciaef3831c4f1929,
  title = {Reflection of Soft X-Rays.},
  author = {J E Henderson and E R Laird},
  year = {1928},
  doi = {10.1073/pnas.14.10.773},
  url = {https://pubmed.ncbi.nlm.nih.gov/16587406/},
  note = {Source identifier: 16587406}
}