The difficult road to Mars [microform] : a brief history of Mars exploration in the Soviet Union / by V.G. Perminov (Monographs in aerospace history ; no. 15) (NP ; 1999-06-251-HQ)
The difficult road to Mars [microform] : a brief history of Mars exploration in the Soviet Union / by V.G. Perminov
(Monographs in aerospace history ; no. 15) (NP ; 1999-06-251-HQ)
原資料の出版事項: Washington, DC ; [Springfield, Va. : National Aeronautics and Space Administration, Headquarters : National Technical Information Service, distributor, 1999]