@misc{indiciae064d84e16e42,
  title = {Electromagnetic powered vehicles (EMPV) for Mars exploration},
  author = {Christian, Jose L., Jr. and Myers, Ira T. and Cull, Ronald C.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930036764},
  note = {Source identifier: 19930036764}
}