@misc{indiciaebc91a4f62b73,
  title = {Scatter-air ratios.},
  author = {J R Cunningham},
  year = {1972},
  doi = {10.1088/0031-9155/17/1/005},
  url = {https://pubmed.ncbi.nlm.nih.gov/5071500/},
  note = {Source identifier: 5071500}
}