TY  - RPRT
TI  - Concepts for autonomous flight control for a balloon on Mars
AU  - Heinsheimer, Thomas F.
AU  - Friend, Robyn C.
AU  - Siegel, Neil G.
PY  - 1988
UR  - https://ntrs.nasa.gov/citations/19890006229
ID  - 19890006229
ER  -