TY  - RPRT
TI  - Surface penetrators for planetary exploration: Science rationale and development program
AU  - Murphy, J. P.
AU  - Reynolds, R. T.
AU  - Blanchard, M. B.
AU  - Clanton, U. S.
PY  - 1981
UR  - https://ntrs.nasa.gov/citations/19810012471
ID  - 19810012471
ER  -