International Space Station cathode life testing [microform] : ... contract NAS3-27186 / George C. Soulas and Timothy R. Sarver-Verhey ([NASA contractor report] ; NASA CR--97-206230)
International Space Station cathode life testing [microform] : ... contract NAS3-27186 / George C. Soulas and Timothy R. Sarver-Verhey
原資料の出版事項: [Cleveland, Ohio] ; [Springfield, VA : National Aeronautics and Space Administration, Lewis Research Center : National Technical Information Service, distributor, 1997]