@misc{indiciaed682665a2b5b,
  title = {Lunar vertical-shaft mining system},
  author = {Introne, Steven D. and Krause, Roy and Williams, Erik and Baskette, Keith and Martich, Frederick and Weaver, Brad and Meve, Jeff and Alexander, Kyle and Dailey, Ron and White, Matt},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19950007084},
  note = {Source identifier: 19950007084}
}