TY  - RPRT
TI  - Evolution and status of the 30-cm engineering model ion thruster
AU  - Masek, T. D.
AU  - Poeschel, R. L.
AU  - Collett, C. R.
AU  - Schnelker, D. E.
PY  - 1976
UR  - https://ntrs.nasa.gov/citations/19770032239
ID  - 19770032239
ER  -