TY  - RPRT
TI  - Critical soft landing technology issues for future US space missions
AU  - Macha, J. M.
AU  - Johnson, D. W.
AU  - Mcbride, D. D.
PY  - 1992
UR  - https://ntrs.nasa.gov/citations/19920017641
ID  - 19920017641
ER  -