@misc{indiciae1caccb00391f,
  title = {Reducing Extra-Terrestrial Excavation Forces with Percussion},
  author = {Mueller, Robert and Schuler, Jason M. and Smith, Jonathan Drew and Nick, Andrew J. and Lippitt, Thomas},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20120017917},
  note = {Source identifier: 20120017917}
}