@misc{indiciaea8d70d188578,
  title = {Fixed-volume gas inlet system for an alpha-sensitive cell adapted for radon measurement},
  author = {G. Michael Reimer},
  year = {1977},
  doi = {10.3133/ofr77409},
  url = {https://pubs.usgs.gov/publication/ofr77409},
  note = {Source identifier: ofr77409}
}