21–30 of 37 hits
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    In situ Propellant Production: Alternatives for MARS Exploration

    M. L. Stancati / M. K. Jacobs / K. J. Cole et al. | NTIS | 1991

    An evaluation of three helicopter rotor sections

    Hicks, R. M. / Collins, L. J. | NTRS | 1985

    Evaluation of Three Helicopter Rotor Sections

    R. M. Hicks / L. J. Collins | NTIS | 1985

    Rail Passenger Service, Electrification, and Training

    L. T. Klauder / M. B. Mitchell / P. E. Olson et al. | NTIS | 1985

    Regional Analyses of Highway Energy Use

    G. Kulp / D. L. Greene / G. H. Walton et al. | NTIS | 1980

    Genetic Regulation of Variable Vi Antigen Expression in a Strain of Citrobacter freundii

    N. J. Snellings / E. M. Johnson / D. J. Kopecko et al. | NTIS | 1980

    Effects of Winter Military Operations on Cold Regions Terrains

    G. Abele / L. A. Johnson / C. M. Collins et al. | NTIS | 1978

    Applications of aerospace technology to petroleum extraction and reservoir engineering

    Jaffe, L. D. / Back, L. H. / Berdahl, C. M. et al. | NTRS | 1977

    Large-area CCD imagers for spacecraft applications

    Antcliffe, G. A. / Hornbeck, L. J. / Younse, J. M. et al. | NTRS | 1975