TY  - RPRT
TI  - A mechanism for three axis control of an ion thruster array
AU  - Ferrera, J. D.
AU  - Johnson, K. G.
AU  - Masek, T. D.
AU  - Perkins, G. S.
PY  - 1970
UR  - https://ntrs.nasa.gov/citations/19700065668
ID  - 19700065668
ER  -