NASA NTRS · 19690024119
Thermionic cathode evaluation study Interim report, 1 Jan. - 31 Mar. 1969
Abstract
Diodes using thermionic cathodes and powdered nickel for cathode coating
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Hill, F. T.. 1969-05-23. Thermionic cathode evaluation study Interim report, 1 Jan. - 31 Mar. 1969. https://ntrs.nasa.gov/citations/19690024119
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