@misc{indiciae0319d517b2f2,
  title = {Spiral Orbit Tribometer},
  author = {Pepper, Stephen V. and Jones, William R., Jr. and Kingsbury, Edward and Jansen, Mark J.},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20090040789},
  note = {Source identifier: 20090040789}
}