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    SERT II experimental thrustor system.

    Byers, D. C. / Kerslake, W. R. / Staggs, J. F. | NTRS | 1967

    Preliminary results of SERT 2 spacecraft potential measurements using hot wire emissive probes

    Byers, D. C. / Jones, S. G. / Staskus, J. V. | NTRS | 1970