TY  - RPRT
TI  - EXPERIMENTAL INVESTIGATION FOR OBTAINING STABLE NEGATIVE IONS.
AU  - Dong, W. D.
AU  - Kilpatrick, W. D.
AU  - Teem, J. M.
PY  - 1961
UR  - https://ntrs.nasa.gov/citations/19620001535
ID  - 19620001535
ER  -