TY  - RPRT
TI  - Vision-based optimal obstacle-avoidance guidance for rotorcraft
AU  - Menon, P. K. A.
AU  - Chatterji, G. B.
AU  - Sridhar, B.
PY  - 1991
UR  - https://ntrs.nasa.gov/citations/19910065089
ID  - 19910065089
ER  -