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) Michał Czepkiewicz and Jukka Heinonen and Juudit Ottelin,Why do urbanites travel more than do others? A review of associations between urban form and long-distance leisure travel,Environmental Research Letters,1748-9326,IOP Publishing,2018-06-21,13,7,073001,https://cir.nii.ac.jp/crid/1360857597021817344,https://doi.org/10.1088/1748-9326/aac9d2