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    A Space Communication Study Progress Report, 15 Sep. 1966 - 15 Mar. 1967

    K. K. Clarke / R. L. Pickholtz / D. L. Schilling | NTIS | 1967

    A Space Communications Study Status Report, 15 Dec. 1968 - 15 Mar. 1969

    K. K. Clarke / R. L. Pickholtz / D. L. Schilling | NTIS | 1969

    A Space Communications Study Progress Report, 15 Sep. 1967 - 15 Mar. 1968

    K. K. Clarke / R. L. Pickholtz / D. L. Schilling | NTIS | 1968

    A Space Communications Study Progress Report, Sep. 15 - Mar. 15, 1966

    K. K. Clarke / R. L. Pickholtz / D. L. Schilling | NTIS | 1966

    Extended Mission Rover (EMR)

    W. Shields / A. Halecki / M. Chung et al. | NTIS | 1992

    Quantitative Characterization of the Environment Experienced by Cargo in Railroad Accidents

    D. W. Larson / R. K. Clarke / J. T. Foley et al. | NTIS | 1974

    Quantitative Characterization of the Environment Experienced by Cargo in Aircraft Accidents

    R. K. Clarke / J. T. Foley / W. F. Hartman et al. | NTIS | 1974