author = { Beethoven, Ludwig van Ulrich, Hugo AND Wittmann, Robert },

title = { Duos, Trios, Quartette, Quintette, Sextette, Septett, Concerte u. Symphonien },

edition = { Für Pianoforte zu vier Händen arr. } ,

publisher = {Peters},

year = {[ca. 1890]},

address = { Leipzig },

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