著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Ricardo Flores-Fillol,Airline competition and network structure,Transportation Research Part B: Methodological,0191-2615,Elsevier BV,2009-12,43,10,966-983,https://cir.nii.ac.jp/crid/1363388843543331200,https://doi.org/10.1016/j.trb.2009.03.002