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) Michael J. Greenwald and Marlon G. Boarnet,"Built Environment as Determinant of Walking Behavior: Analyzing Nonwork Pedestrian Travel in Portland, Oregon",Transportation Research Record: Journal of the Transportation Research Board,0361-1981,SAGE Publications,2001-01,1780,1,33-41,https://cir.nii.ac.jp/crid/1360292620290742272,https://doi.org/10.3141/1780-05