@misc{indiciae4242445ff43c,
  title = {Miniature Low-Mass Drill Actuated by Flextensional Piezo Stack},
  author = {Sherrit, Stewart and Badescu, Mircea and Bar-Cohen, Yoseph},
  year = {2010},
  url = {https://ntrs.nasa.gov/citations/20100028886},
  note = {Source identifier: 20100028886}
}