@misc{indiciaea0816e0561e3,
  title = {Stability considerations for magnetic suspension systems using electromagnets mounted in a planar array},
  author = {Groom, Nelson J. and Britcher, Colin P.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910011889},
  note = {Source identifier: 19910011889}
}