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) Daniel Albalate and Germà Bel and Xavier Fageda,Competition and cooperation between high-speed rail and air transportation services in Europe,Journal of Transport Geography,0966-6923,Elsevier BV,2015-01,42,,166-174,https://cir.nii.ac.jp/crid/1360574095235030528,https://doi.org/10.1016/j.jtrangeo.2014.07.003