International Workshop on Future Aviation Activities Washington, D.C., United States. Federal Aviation Administration, National Research Council (U.S.). Transportation Research Board. Committee on Aviation Economics and Forecasting, & National Research Council (U.S.). Transportation Research Board. Committee on Light Commercial and General Aviation. (1990). Future aviation activities: Sixth international workshop : National Academy of Sciences, September 13-15, 1989, Washington, D.C. Transportation Research Board, National Research Council.

International Workshop on Future Aviation Activities Washington, D.C., United States. Federal Aviation Administration, National Research Council (U.S.). Transportation Research Board. Committee on Aviation Economics and Forecasting, agus National Research Council (U.S.). Transportation Research Board. Committee on Light Commercial and General Aviation. Future Aviation Activities: Sixth International Workshop : National Academy of Sciences, September 13-15, 1989, Washington, D.C. Washington, DC: Transportation Research Board, National Research Council, 1990.

International Workshop on Future Aviation Activities Washington, D.C., et al. Future Aviation Activities: Sixth International Workshop : National Academy of Sciences, September 13-15, 1989, Washington, D.C. Transportation Research Board, National Research Council, 1990.