author = { Beethoven, Ludwig van Oborin, Lev N. },

title = { Klaviersonate Es-dur op. 81a Les Adieux },

publisher = {Deutsche Schallplatten},

keywords = { Schallplatte },

year = {[19]56},

booktitle = {Eterna},

address = { Berlin },

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