TY  - RPRT
TI  - Versatility of electrically propelled spacecraft for planetary missions
AU  - Dailey, C. C.
AU  - Hale, D. P.
AU  - Katz, L.
AU  - Stuhlinger, E.
PY  - 1969
UR  - https://ntrs.nasa.gov/citations/19700034721
ID  - 19700034721
ER  -