A method for forecasting the commercial air traffic schedule in the future [microform] / Dou Long ... [et al] ([NASA contractor report] ; NASA/CR-208987)
A method for forecasting the commercial air traffic schedule in the future [microform] / Dou Long ... [et al]
原資料の出版事項: Hampton, Va. ; Springfield, VA : National Aeronautics and Space Administration, Langley Research Center : National Technical Information Service, distributor, [1999]