@misc{indiciae7fea84b4abf7,
  title = {Magnetic bearings for an optical disk read/write head},
  author = {Hockney, Richard and Eisenhaure, David and Hawkey, Timothy},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890027873},
  note = {Source identifier: 19890027873}
}