TY  - RPRT
TI  - Approximate trajectory data for missions to the major planets
AU  - Fishbach, L. H.
AU  - Giventer, L. L.
AU  - Willis, E. A., Jr.
PY  - 1971
UR  - https://ntrs.nasa.gov/citations/19710017214
ID  - 19710017214
ER  -