author = { Czerny, Carl Czerny, Carl AND Frickert, Walter },

title = { Das neue Etüdenbuch 1 },

publisher = {Pro musica Verl.},

year = {1950},

abstract = {c 1950},

address = { Leipzig },

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