TY  - RPRT
TI  - Optimum two-impulse transfers for preliminary interplanetary trajectory design
AU  - Hulkower, N. D.
AU  - Lau, C. O.
AU  - Bender, D. F.
PY  - 1984
UR  - https://ntrs.nasa.gov/citations/19840062799
ID  - 19840062799
ER  -