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

title = { Esz-dur szonáta, Op. 27. No. 1 = Sonata quasi una fantasia (Esz-dur Op. 27. No. 1) },

publisher = {Qualiton},

keywords = { Schallplatte },

year = {[ca. 1986]},

abstract = {C-moll szonáta , Op. 111},

address = { Budapest },

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