@misc{indiciae82ef67a91450,
  title = {Economics, helium, and the U.S. Federal Helium Reserve: Summary and outlook},
  author = {Steven T. Anderson},
  year = {2017},
  doi = {10.1007/s11053-017-9359-y},
  url = {https://pubs.usgs.gov/publication/70199808},
  note = {Source identifier: 70199808}
}