A study of the economic benefit potential of intermodal transports [microform] / J.M. Nelson, R.T. Kawai, and R.D. Gregg ; [prepared ... under contract NAS1-20267]
原資料の出版事項: Hampton, Va. ; Hanover, MD : National Aeronautics and Science Administration, Langley Research Center : Available from NASA Center for Aerospace Information, [2001]