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    Planetary Protection Issues in the Human Exploration of Mars

    M. E. Criswell / M. S. Race / J. D. Rummel et al. | NTIS | 2005
    studied in a 1990 workshop ('Planetary Protection Issues and Future Mars Missions,' NASA CP-10086, 1991), but the timing of that workshop allowed ...

    Planetary Protection Issues in the Human Exploration of Mars

    Criswell, Marvin E. / Race, M. S. / Rummel, J. D. et al. | NTRS | 2005
    studied in a 1990 workshop ("Planetary Protection Issues and Future Mars Missions," NASA CP-10086, 1991), but the timing of that workshop allowed ...