@misc{indiciae78582aab3ec9,
  title = {Emanation coefficients for Rn in sized coal fly ash.},
  author = {D R Kalkwarf and P O Jackson and J C Kutt},
  year = {1985},
  doi = {10.1097/00004032-198504000-00005},
  url = {https://pubmed.ncbi.nlm.nih.gov/3980228/},
  note = {Source identifier: 3980228}
}