TY  - RPRT
TI  - Mark Tracking: Position/orientation measurements using 4-circle mark and its tracking experiments
AU  - Kanda, Shinji
AU  - Okabayashi, Keijyu
AU  - Maruyama, Tsugito
AU  - Uchiyama, Takashi
PY  - 1994
UR  - https://ntrs.nasa.gov/citations/19950017316
ID  - 19950017316
ER  -