@misc{indiciaef62803c07a79,
  title = {Hydrogen reliquefiers for lunar storage systems},
  author = {Malek, A. and Mc Glone, R. and Sedgwick, T. A.},
  year = {1964},
  url = {https://ntrs.nasa.gov/citations/19660008869},
  note = {Source identifier: 19660008869}
}