@misc{indiciae974c51a2f0f4,
  title = {In-Situ Resource Utilization (ISRU): Surface systems program area of the exploration technology program},
  author = {Mckay, David S.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19930074399},
  note = {Source identifier: 19930074399}
}