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
"Alpert, von Metz, active 11th century and Bachrach, David Stewart","Warfare and politics in medieval Germany, ca. 1000 : on the variety of our times",,Pontifical Institute of Mediaeval Studies,2012,Mediaeval sources in translation,,9780888443021,,https://cir.nii.ac.jp/crid/1130282271125468288