@misc{indiciae12442eeb42d8,
  title = {A Viable Scheme for Elemental Extraction and Purification Using In-Situ Planetary Resources},
  author = {Sen, S. and Schofield, E. and ODell, S. and Ray, C. S.},
  year = {2005},
  url = {https://ntrs.nasa.gov/citations/20050092374},
  note = {Source identifier: 20050092374}
}