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  • Hollow cathode heater development for the space station plasma contactor [microform] / George C. Soulas.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1993]
    • 1993

  • Mechanisms of anode power deposition in a low pressure free burning arc [microform] / George C. Soulas and Roger M. Myers.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Multiple hollow cathode wear testing [microform] / George C. Soulas.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Status of hollow cathode heater development for the space station plasma contactor [microform] / George C. Soulas.

    • Text
    • [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • Multiple hollow cathode wear testing for the Space Station plasma contractor [microform] / George C. Soulas.

    • Text
    • [Washington, DC] : National Aeronautics and Space Administration ; [Springfield, Va. : National Technical Information Service, distributor, 1994]
    • 1994

  • International Space Station cathode life testing [microform] : ... contract NAS3-27186 / George C. Soulas and Timothy R. Sarver-Verhey.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Lewis Research Center ; [Springfield, VA : National Technical Information Service, distributor, 1997]
    • 1997

  • Design and performance of 40 cm ion optics [microform] / George C. Soulas.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information, [2001]
    • 2001
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS26472

  • Improving the total impulse capability of the NSTAR ion thruster with thick-accelerator-grid ion optics [microform] / George C. Soulas.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information, [2001]
    • 2001
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS26931

  • Performance evaluation of titanium ion optics for the NASA 30 cm. ion thruster [microform] / George C. Soulas.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from NASA Center for Aerospace Information, [2001]
    • 2001
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS26933

  • Performance evaluation of 40 cm ion optics for the NEXT ion engine [microform] / George C. Soulas, Thomas W. Haag, and Michael J. Patterson.

    • Text
    • [Cleveland, Ohio] : National Aeronautics and Space Administration, Glenn Research Center ; Hanover, MD : Available from the NASA Center for Aerospace Information ; Springfield, VA : National Technical Information Service [distributor, 2002]
    • 2002
    • 1 Resource

    Available Online

    http://purl.access.gpo.gov/GPO/LPS56624

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