@misc{indiciaefe22ba3e3b0f,
  title = {Evaluation of geologic radon potential in two regions in southwestern and southern Poland},
  author = {Ryszard Strzelecki and Stanislaw Wolkowicz and Wojciech Wolkowicz and Kalina Mamont-Ciesa and D.G. Mose and Zoltan Szabo and Tamara I. Ivahnenko and G.W. Mushrush},
  year = {1998},
  url = {https://pubs.usgs.gov/publication/70206079},
  note = {Source identifier: 70206079}
}