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
"Harder, Klaus Peter",Environmental factors of early railroads : a comparative study of Massachusetts and the German States of Baden and the Pfalz (Palatinate) before 1870,,Arno Press,1981,Dissertations in European economic history,,0405139926,,https://cir.nii.ac.jp/crid/1130282272040387200