TY  - RPRT
TI  - Digital-Difference Processing For Collision Avoidance.
AU  - Shores, Paul
AU  - Lichtenberg, Chris
AU  - Kobayashi, Herbert S.
AU  - Cunningham, Allen R.
PY  - 1988
UR  - https://ntrs.nasa.gov/citations/19880000161
ID  - 19880000161
ER  -