National Research Council, Transportation Research Board, Studies and Information Services, Division on Engineering and Physical Sciences, Aeronautics and Space Engineering Board, Committee on Aeronautics Research and Techn
(Ilmumisaeg: 18-Nov-2003, EPUB+DRM, Kirjastus: National Academies Press, ISBN-13: 9780309182591)
As recently as the summer of 2001, many travelers weredreading air transportation because of extensive delays associated with undercapacity of the system. That all changed on 9/11, and demand for air transportation has not yet returned to peak levels...Loe edasi...
National Research Council, Transportation Research Board, Studies and Information Services, Division on Engineering and Physical Sciences, Aeronautics and Space Engineering Board, Committee on Aeronautics Research and Techn
(Ilmumisaeg: 18-Nov-2003, PDF+DRM, Kirjastus: National Academies Press, ISBN-13: 9780309594264)
As recently as the summer of 2001, many travelers weredreading air transportation because of extensive delays associated with undercapacity of the system. That all changed on 9/11, and demand for air transportation has not yet returned to peak levels...Loe edasi...
