@misc{indiciaeda0bfbdc81ac,
  title = {Space resources. Volume 1: Scenarios},
  author = {Mckay, Mary Fae and Mckay, David S. and Duke, Michael B.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930007681},
  note = {Source identifier: 19930007681}
}