Mars mission solar array Semiannual progress report, period ending 31 Dec. 1969
Design and testing of beryllium-structure solar panel for Mars mission
Ketchum, J. W.↗
Engineering topics
Ketchum, J. W.
Publications and source records attributed to Ketchum, J. W..
Large area solar array Final report, 19 Sep. 1966 - 1 Nov. 1967
Design, testing, and quality control of large-area solar cell array, ground support equipment, and tools
Apperson, J. L.↗