author = { Ullmann, Viktor Richter, Konrad },

title = { Klaviersonaten = Piano sonatas },

edition = { [Erstausg.] } ,

publisher = {Schott},

year = {19XX-},

booktitle = {Zeitgenössische Klaviermusik},

address = { Mainz [u.a.] },

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