@misc{indiciae48ce98bdbadd,
  title = {Surface mining on the moon},
  author = {H. M. Weathers and S. A. Fields and R. M. Cox and R. Q. Shotts},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680007895},
  note = {Source identifier: 19680007895}
}