著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Engström, Mats-G. and Sahlberg, Bengt W.","Travel demand, transport systems and regional development : models in co-ordinated planning",,"Royal University of Lund, Dept. of Geography",1973,Lund studies in geography,,914003237X,,https://cir.nii.ac.jp/crid/1130282270212411648