@misc{indiciae14c51a8a38b3,
  title = {Lunar mining equipment},
  author = {Bekkedahl, S. and Breidenbach, T. and Brown, M. and Francis, C. and Freeman, J. and Scharnott, M. and Thon, R.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19940004528},
  note = {Source identifier: 19940004528}
}