TY  - RPRT
TI  - Electron emissive surface electric field meter.
AU  - Cole, R. K.
AU  - Ogansa, H. S.
AU  - Sellen, J. M., Jr.
PY  - 1967
UR  - https://ntrs.nasa.gov/citations/19670057795
ID  - 19670057795
ER  -