@misc{indiciaebb8fb25b6632,
  title = {Hybrid Electrostatic/Acoustic Levitator},
  author = {Rhim, Won K. and Trinh, Eugene H. and Chung, Sang K. and Elleman, Daniel D.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870000565},
  note = {Source identifier: 19870000565}
}