NASA NTRS · 19690005578
Thermionic cathode evaluation study Interim report, 1 Jul. - 30 Sep. 1968
Abstract
Life burning and testing of thermionic diodes
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Hill, F. T.. 1968-10-31. Thermionic cathode evaluation study Interim report, 1 Jul. - 30 Sep. 1968. https://ntrs.nasa.gov/citations/19690005578
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