Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Concone, Giuseppe and 結城, 八千代",15 études dialoguées : Op. 38 : pour piano à 4 mains = 連弾のための15の対話的練習曲,,Zen-on Music,1999,Zen-on piano library,,4111604056,,https://cir.nii.ac.jp/crid/1130000794173344128