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    Mission Design for a Wright Brothers' Centennial Mars Airplane Mission in 2003 (AAS 00-196)

    Penzo, P. A. / AAS / AIAA | British Library Conference Proceedings | 2000
    Beteiligte: Kluever, C. A.

    Space tethers

    Ionasecu, Rodica / Penzo, Paul A. | NTRS | 1988

    Tether propulsion

    Bekey, I. / Penzo, P. A. | NTRS | 1986

    Mission design for an Orbiting Volcano Observatory

    PENZO, PAUL A. / JOHNSTON, M. D. | AIAA | 1992