TY  - RPRT
TI  - Orbit evaluation technique for planetary orbiters.
AU  - Coons, J. C.
AU  - Ellis, J. M.
AU  - Kennet, H.
AU  - Stephenson, R. R.
PY  - 1968
UR  - https://ntrs.nasa.gov/citations/19680063997
ID  - 19680063997
ER  -