@misc{indiciae7df8dfd6bb89,
  title = {Ultrasonic/Sonic Drilling/Coring (USDC) for planetary applications},
  author = {Peterson, T. and Pal, D. and Chang, Z. and Bao, X. and Dolgin, B. and Sherritt, S. and Bar-Cohen, Y.},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20210002595},
  note = {Source identifier: 20210002595}
}