@misc{indiciae89a58b4a8a54,
  title = {Levitation With a Single Acoustic Driver},
  author = {Barmatz, M. B. and Gaspar, M. S. and Allen, J. L.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860000523},
  note = {Source identifier: 19860000523}
}