Human exploration of Mars [microform] : the reference mission of the NASA Mars Exploration Study Team / Stephen J. Hoffman, editor, David I. Kaplan, editor (NASA special publication ; 6107) ([NASA technical memorandum] ; NASA/TM-97-207824)
Human exploration of Mars [microform] : the reference mission of the NASA Mars Exploration Study Team / Stephen J. Hoffman, editor, David I. Kaplan, editor
(NASA special publication ; 6107) ([NASA technical memorandum] ; NASA/TM-97-207824)
原資料の出版事項: [Washington, DC ; Linthicum Heights, MD : National Aeronautics and Space Administration] : Available from the NASA Center for AeroSpace Information, [1997]