TY  - RPRT
TI  - Analysis of launch windows from circular orbits for representative Mars missions
AU  - Deerwester, J. M.
AU  - Manning, L. A.
AU  - Swenson, B. L.
PY  - 1968
UR  - https://ntrs.nasa.gov/citations/19680023899
ID  - 19680023899
ER  -