1–20 von 51 Ergebnissen
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    Problems in Radiation Shielding for Space Vehicles

    Burrell, M. O. / Downey, J. A., III / Keller, J. W. et al. | NTRS | 1962

    Radiation Environment in Space

    Keller, J. W. | NTRS | 1964

    Exposure of microorganisms to simulated extraterrestrial space ecology.

    Davis, N. S. / Keller, W. H. / Silverman, G. J. | NTRS | 1964

    The effects of reinforcement interval on the acquisition of paired-associate responses

    Atkinson, R. C. / Keller, L. / Thomson, W. J. et al. | NTRS | 1965

    Shielding techniques.

    Keller, J. W. | NTRS | 1966

    HELIOS Configuration for Close Sun Flyby

    Lex, J. / Koppe, H. / Keller, E. W. | NTRS | 1970

    Liquid rocket engine turbopump inducers

    Jakobsen, J. K. / Keller, R. B., Jr. | NTRS | 1971

    Advantages of ice crystal growth experiments in a low gravity environment

    Anderson, B. J. / Keller, V. W. / Hallett, J. | NTRS | 1979

    Inviscid transonic flow over axisymmetric bodies

    South, J. C., Jr. / Keller, J. D. | NTRS | 1981

    Land remote sensing activities in the US

    Keller, S. W. / Ando, K. J. | NTRS | 1982

    Development of an operational specific CAT risk (SCATR) index

    Keller, J. L. / Haines, P. A. / Luers, J. K. | NTRS | 1983

    Surface-material maps of Viking landing sites on Mars

    Moore, H. J. / Keller, J. M. | NTRS | 1991

    First oxygen from lunar basalt

    Gibson, M. A. / Knudsen, C. W. / Brueneman, D. J. et al. | NTRS | 1993

    Surface-Correlated Nanophase Iron Metal in Lunar Soils: Petrography and Space Weathering Effects

    Keller, Lindsay P. / Wentworth, Susan J. / McKay, David S. | NTRS | 1998

    Effects of Space Weathering on Lunar Rocks: Scanning Electron Microscope Petrography

    Wentworth, Susan J. / Keller, Lindsay P. / McKay, David S. | NTRS | 1998