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
"Böhmer, Johann Friedrich and Opll, Ferdinand and Mayr, Hubert","Die Regesten des Kaiserreiches unter Friedrich I., 1152(1122)-1190",,Böhlaus,1980,Regesta Imperii,,"3205053664,9783205786832,9783205208037",,https://cir.nii.ac.jp/crid/1130282270765799552