TY  - RPRT
TI  - Thrusting trajectory minimization program for orbital transfer maneuvers
AU  - Green, R. N.
AU  - Hoffman, L. H.
AU  - Young, G. R.
PY  - 1971
UR  - https://ntrs.nasa.gov/citations/19710018613
ID  - 19710018613
ER  -