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
"Mahler, Alma and Mahler, Gustav and Mitchell, Donald",Erinnerungen an Gustav Mahler . Briefe an Alma Mahler,,Ullstein,1980,Ullstein Buch,,3548035264,,https://cir.nii.ac.jp/crid/1130000798250215040