@misc{indiciaec159c139a0d3,
  title = {Control elements for an unmanned Martian roving vehicle},
  author = {Wehe, R. L. and Osborn, R. E.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710027189},
  note = {Source identifier: 19710027189}
}