@misc{indiciae213c6e63cbd3,
  title = {Lunar drill and test apparatus},
  author = {Norrington, David W. and Ardoin, Didier C. and Alexander, Stephen G. and Rowland, Philip N. and Vastakis, Frank N. and Linsey, Steven L.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19900014420},
  note = {Source identifier: 19900014420}
}