@misc{indiciae8e1a07bad8c5,
  title = {Vortex gas lens},
  author = {Bogdanoff, David W. and Berschauer, Andrew and Parker, Timothy W. and Vickers, Jesse E.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890066948},
  note = {Source identifier: 19890066948}
}