@misc{indiciae40d39b8eeb5a,
  title = {Influence of ore type and milling process on 222Rn emanation coefficients of U mill tailings},
  author = {E. R. Landa},
  year = {1987},
  url = {https://pubs.usgs.gov/publication/70014737},
  note = {Source identifier: 70014737}
}