41–45 von 45 Ergebnissen
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    Development and Optimization of Pyrrone Polymers, June 1966 - June 1967

    L. E. Karre / L. B. Keller / B. G. Kimmel et al. | NTIS | 1967

    Noise Measurement Flight Test of Five Light Helicopters

    E. J. Rickley / K. E. Jones / A. S. Keller et al. | NTIS | 1993

      Noise Measurement Flight Test of Five Light Helicopters

      E. J. Rickley / K. E. Jones / A. S. Keller et al. | NTIS | 1993

    Agglutinates in Howardite NWA 1769: Space Weathering on Vesta

    Y. Liu / L. P. Keller / A. A. Fraeman et al. | NTIS | 2015