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
"Tyrrell, V. Alice",Merovingian letters and letter writers,,Brepols,2019,Publications of the Journal of medieval Latin,,9782503583587,,https://cir.nii.ac.jp/crid/1130282272285315840