TY  - RPRT
TI  - Application of trajectory optimization principles to minimize aircraft operating costs
AU  - Sorensen, J. A.
AU  - Morello, S. A.
AU  - Erzberger, H.
PY  - 1979
UR  - https://ntrs.nasa.gov/citations/19810036062
ID  - 19810036062
ER  -