TY  - RPRT
TI  - Multiple-camera/motion stereoscopy for range estimation in helicopter flight
AU  - Smith, Phillip N.
AU  - Sridhar, Banavar
AU  - Suorsa, Raymond E.
PY  - 1993
UR  - https://ntrs.nasa.gov/citations/19940021013
ID  - 19940021013
ER  -