TY  - RPRT
TI  - Optimal time free nodal transfers between elliptical orbits
AU  - Vinh, Nguyen X.
AU  - Kuo, Shau Hern
AU  - Marchal, Christian
PY  - 1987
UR  - https://ntrs.nasa.gov/citations/19880028794
ID  - 19880028794
ER  -