author = { Ullmann, Viktor Richter, Konrad },

title = { Die Klaviersonaten Gesamtaufnahme },

publisher = {Bayer Records},

publisher = {: Helikon-Musikverlag [Vertrieb]},

keywords = { CD },

year = {1993},

year = {, 1993},

booktitle = {Atlantis},

address = { Bietigheim-Bissingen , ; Heidelberg },

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