TY  - RPRT
TI  - On autonomous terrain model acquistion by a mobile robot
AU  - Rao, N. S. V.
AU  - Iyengar, S. S.
AU  - Weisbin, C. R.
PY  - 1987
UR  - https://ntrs.nasa.gov/citations/19890017112
ID  - 19890017112
ER  -