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
"Bergkvist, Erik",Freight transportation : valuation of time and forecasting of flows,,Umeå University,2001,Umeå economic studies,,9171919449,,https://cir.nii.ac.jp/crid/1130000795372928512