TY  - RPRT
TI  - ANNULAR-BEAM ION ENGINES
AU  - Anderson, J. R.
AU  - Etter, J. E.
AU  - Gallagher, H. E.
PY  - 1963
UR  - https://ntrs.nasa.gov/citations/19630018408
ID  - 19630018408
ER  -