TY  - RPRT
TI  - Optimum transfer between hyperbolic asymptotes with turn angle less than the maximum natural turn angle.
AU  - Walton, J. M.
AU  - Marchal, C.
AU  - Culp, R. D.
PY  - 1971
UR  - https://ntrs.nasa.gov/citations/19720040821
ID  - 19720040821
ER  -