TY  - RPRT
TI  - Logic-controlled solid state switchgear for 270 volts dc
AU  - Sundberg, G. R.
AU  - Waddington, D.
AU  - Buchanan, E. E., Jr.
PY  - 1973
UR  - https://ntrs.nasa.gov/citations/19740005782
ID  - 19740005782
ER  -