1–20 von 48 Ergebnissen
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    Planetary protection for Mars sample return

    Gershman, R. | Online Contents | 2004

    Concepts for a Titan Organics Explorer

    Gershman, R. | NTRS | 2000

    Europa Lander Concepts

    Gershman, R. | NTRS | 1999

    Neptune Orbiter Concepts

    Gershman, R. / Wallace, R. | NTRS | 2000

    Planetary Protection for the Mars Sample Return Project

    Gershman, R. / Adler, M. | NTRS | 2000

    Propulsion Trades for Space Science Missions

    Seybold, C. / Gershman, R. | NTRS | 1998

    Technology Needs of Future Planetary Missions

    Wallace, R. A. / Gershman, R. | NTRS | 1998

    Technology Needs of Future Planetary Missions

    Wallace, R. A. / Gershman, R. | NTRS | 1998

    Mars sample return studies for a fresh look

    Mattingly, R. / Matousek, S. / Gershman, R. | NTRS | 2002

    Mars Sample Return - studies for a fresh look

    Mattingly, R. / Matousek, S. / Gershman, R. | IEEE | 2002