The diagnostics of the external plasma for the plasma rocket [microform] : final report, NASA Graduate Student Researchers Program, Johnson Space Center, contract number--NGT9-5 / Gerald R. Karr ([NASA contractor report] ; 206418)
The diagnostics of the external plasma for the plasma rocket [microform] : final report, NASA Graduate Student Researchers Program, Johnson Space Center, contract number--NGT9-5 / Gerald R. Karr
原資料の出版事項: [Washington, DC ; Springfield, Va. : National Aeronautics and Space Administration : National Technical Information Service, distributor, 1997]