@misc{indiciae4b50a875ed64,
  title = {Mark Tracking: Position/orientation measurements using 4-circle mark and its tracking experiments},
  author = {Kanda, Shinji and Okabayashi, Keijyu and Maruyama, Tsugito and Uchiyama, Takashi},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19950017316},
  note = {Source identifier: 19950017316}
}