TY  - RPRT
TI  - A method for computing extremal maximum-range thrust-limited rocket trajectories with application to lunar transport
AU  - Armstrong, E. S.
AU  - Childs, A. G.
AU  - Markos, A. T.
PY  - 1970
UR  - https://ntrs.nasa.gov/citations/19700029217
ID  - 19700029217
ER  -