@misc{indiciae162c5a0e2a4f,
  title = {Radon versus Rn daughters.},
  author = {H Vanmarcke and P Berkvens and A Proffijn},
  year = {1989},
  url = {https://pubmed.ncbi.nlm.nih.gov/2537264/},
  note = {Source identifier: 2537264}
}