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    Maximal Diffusing Capacity of the Lung in Chronic Obstructive Disease of the Airways

    R. H. Shepard / J. E. Cohn / G. Cohen et al. | NTIS | 1955

    Model Study of Dynamic Stability of Helicopters

    L. GOL | NTIS | 1956

    Tandem Helicopter Stability Program

    L. GOL | NTIS | 1955

    Model Study of Dynamic Stability of Helicopter

    L. GOL | NTIS | 1956

    Aerospace Medicine. Volume 31, Number 11

    J. P. Marbarger / W. J. Kennard | NTIS | 1960

    Psychological Factors in Escape

    A. F. Zeller | NTIS | 1961