@misc{indiciaed82b37349850,
  title = {Impact-Actuated Digging Tool for Lunar Excavation},
  author = {Wilson, Jak and Chu, Philip and Craft, Jack and Zacny, Kris and Santoro, Chris},
  year = {2013},
  url = {https://ntrs.nasa.gov/citations/20130014447},
  note = {Source identifier: 20130014447}
}