NASA NTRS ยท 19690011765
Thermionic cathode evaluation study Interim report, 1 Oct. - 31 Dec. 1968
Abstract
Performance tests on electron tubes with pore dispenser cathodes, coated particle cathodes, standard oxide cathodes, and nickel cathode diodes
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Hill, F. T.. 1969-03-19. Thermionic cathode evaluation study Interim report, 1 Oct. - 31 Dec. 1968. https://ntrs.nasa.gov/citations/19690011765
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