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  - 1983
UR  - https://ntrs.nasa.gov/citations/19840008049
ID  - 19840008049
ER  -