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
"Beethoven, Ludwig van and Arrau, Claudio and Bishop-Kovacevich, Stephen","6 variations on an original thema in F-major, op. 34 ; 15 variations and a fugue on an original theme in E flat-major, op. 35 : ""Eroica variations"" ; 7 bagatelles for piano, op. 33",,Gakken,1999,Master piano works,,,,https://cir.nii.ac.jp/crid/1130000798073518848