@misc{indiciae8a6883c69c73,
  title = {Improved inlet system for the U.S. Geological Survey helium sniffer},
  author = {G. Michael Reimer and E.H. Denton},
  year = {1978},
  doi = {10.3133/ofr78588},
  url = {https://pubs.usgs.gov/publication/ofr78588},
  note = {Source identifier: ofr78588}
}