@misc{indiciae394d2033d64a,
  title = {Open-loop characteristics of magnetic suspension systems using electromagnets mounted in a planar array},
  author = {Groom, Nelson J. and Britcher, Colin P.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930002425},
  note = {Source identifier: 19930002425}
}