TY  - RPRT
TI  - Optimal symmetric flight with an intermediate vehicle model
AU  - Menon, P. K. A.
AU  - Kelley, H. J.
AU  - Cliff, E. M.
PY  - 1985
UR  - https://ntrs.nasa.gov/citations/19850050629
ID  - 19850050629
ER  -