@misc
{TN_libero_mab2,
author = {
Beethoven, Ludwig van
Ladenburger, Michael
},
title = {
Klaviersonate e-Moll op. 90
Autograph
},
publisher = {KulturStiftung der Länder},
publisher = {: Beethovenhaus},
year = {1993},
year = {, 1993},
abstract = {Mit einem Nachwort von Michael Ladenburger},
booktitle = {Patrimonia ; 63},
address = {
Berlin
,
; Bonn
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}