@misc{indiciaef0f5ee3ecdb0,
  title = {Noncontact Electromagnetic Vibration Source},
  author = {Namkung, Min and Fulton, James P. and Wincheski, Buzz A.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19940000140},
  note = {Source identifier: 19940000140}
}