author = { Beethoven, Ludwig van Beethoven, Ludwig van },

title = { Sechs Quartette 4 Quartett Nr. 4 C moll... für 2 Violinen, Viola und Violoncell op. 18 Nr. 4 },

publisher = {Breitkopf & Härtel},

year = {1948},

booktitle = {Breitkopf & Härtels Kammermusik-Bibliothek ; 221a/b},

address = { Leipzig },

url = { http://slubdd.de/katalog?TN_libero_mab2 }